557865

素因数分解:

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

素因数の和:59

約数の個数: 72

約数和(自身を含む): 1280448

約数和(自身を除く): 722583

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 33, 35, 45, 49, 55, 63, 69, 77, 99, 105, 115, 147, 161, 165, 207, 231, 245, 253, 315, 345, 385, 441, 483, 495, 539, 693, 735, 759, 805, 1035, 1127, 1155, 1265, 1449, 1617, 1771, 2205, 2277, 2415, 2695, 3381, 3465, 3795, 4851, 5313, 5635, 7245, 8085, 8855, 10143, 11385, 12397, 15939, 16905, 24255, 26565, 37191, 50715, 61985, 79695, 111573, 185955, 557865]

約数ペア:

[(1, 557865), (3, 185955), (5, 111573), (7, 79695), (9, 61985), (11, 50715), (15, 37191), (21, 26565), (23, 24255), (33, 16905), (35, 15939), (45, 12397), (49, 11385), (55, 10143), (63, 8855), (69, 8085), (77, 7245), (99, 5635), (105, 5313), (115, 4851), (147, 3795), (161, 3465), (165, 3381), (207, 2695), (231, 2415), (245, 2277), (253, 2205), (315, 1771), (345, 1617), (385, 1449), (441, 1265), (483, 1155), (495, 1127), (539, 1035), (693, 805), (735, 759)]