2045505

素因数分解:

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

素因数の和:67

約数の個数: 72

約数和(自身を含む): 4366656

約数和(自身を除く): 2321151

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 49, 55, 69, 77, 105, 115, 121, 147, 161, 165, 231, 245, 253, 345, 363, 385, 483, 539, 605, 735, 759, 805, 847, 1127, 1155, 1265, 1617, 1771, 1815, 2415, 2541, 2695, 2783, 3381, 3795, 4235, 5313, 5635, 5929, 8085, 8349, 8855, 12397, 12705, 13915, 16905, 17787, 19481, 26565, 29645, 37191, 41745, 58443, 61985, 88935, 97405, 136367, 185955, 292215, 409101, 681835, 2045505]

約数ペア:

[(1, 2045505), (3, 681835), (5, 409101), (7, 292215), (11, 185955), (15, 136367), (21, 97405), (23, 88935), (33, 61985), (35, 58443), (49, 41745), (55, 37191), (69, 29645), (77, 26565), (105, 19481), (115, 17787), (121, 16905), (147, 13915), (161, 12705), (165, 12397), (231, 8855), (245, 8349), (253, 8085), (345, 5929), (363, 5635), (385, 5313), (483, 4235), (539, 3795), (605, 3381), (735, 2783), (759, 2695), (805, 2541), (847, 2415), (1127, 1815), (1155, 1771), (1265, 1617)]