81262335

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 181560960

約数和(自身を除く): 100298625

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 23, 33, 35, 49, 55, 57, 69, 77, 95, 105, 115, 133, 147, 161, 165, 209, 231, 245, 253, 285, 345, 385, 399, 437, 483, 529, 539, 627, 665, 735, 759, 805, 931, 1045, 1127, 1155, 1265, 1311, 1463, 1587, 1617, 1771, 1995, 2185, 2415, 2645, 2695, 2793, 3059, 3135, 3381, 3703, 3795, 4389, 4655, 4807, 5313, 5635, 5819, 6555, 7315, 7935, 8085, 8855, 9177, 10051, 10241, 11109, 12397, 13965, 14421, 15295, 16905, 17457, 18515, 21413, 21945, 24035, 25921, 26565, 29095, 30153, 30723, 33649, 37191, 40733, 45885, 50255, 51205, 55545, 61985, 64239, 70357, 72105, 77763, 87285, 100947, 107065, 110561, 122199, 129605, 150765, 153615, 168245, 185955, 203665, 211071, 235543, 285131, 321195, 331683, 351785, 388815, 492499, 504735, 552805, 610995, 706629, 773927, 855393, 1055355, 1177715, 1425655, 1477497, 1658415, 2321781, 2462495, 3533145, 3869635, 4276965, 5417489, 7387485, 11608905, 16252467, 27087445, 81262335]

約数ペア:

[(1, 81262335), (3, 27087445), (5, 16252467), (7, 11608905), (11, 7387485), (15, 5417489), (19, 4276965), (21, 3869635), (23, 3533145), (33, 2462495), (35, 2321781), (49, 1658415), (55, 1477497), (57, 1425655), (69, 1177715), (77, 1055355), (95, 855393), (105, 773927), (115, 706629), (133, 610995), (147, 552805), (161, 504735), (165, 492499), (209, 388815), (231, 351785), (245, 331683), (253, 321195), (285, 285131), (345, 235543), (385, 211071), (399, 203665), (437, 185955), (483, 168245), (529, 153615), (539, 150765), (627, 129605), (665, 122199), (735, 110561), (759, 107065), (805, 100947), (931, 87285), (1045, 77763), (1127, 72105), (1155, 70357), (1265, 64239), (1311, 61985), (1463, 55545), (1587, 51205), (1617, 50255), (1771, 45885), (1995, 40733), (2185, 37191), (2415, 33649), (2645, 30723), (2695, 30153), (2793, 29095), (3059, 26565), (3135, 25921), (3381, 24035), (3703, 21945), (3795, 21413), (4389, 18515), (4655, 17457), (4807, 16905), (5313, 15295), (5635, 14421), (5819, 13965), (6555, 12397), (7315, 11109), (7935, 10241), (8085, 10051), (8855, 9177)]