12666255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 24842880

約数和(自身を除く): 12176625

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 907, 931, 1995, 2721, 2793, 4535, 4655, 6349, 13605, 13965, 17233, 19047, 31745, 44443, 51699, 86165, 95235, 120631, 133329, 222215, 258495, 361893, 603155, 666645, 844417, 1809465, 2533251, 4222085, 12666255]

約数ペア:

[(1, 12666255), (3, 4222085), (5, 2533251), (7, 1809465), (15, 844417), (19, 666645), (21, 603155), (35, 361893), (49, 258495), (57, 222215), (95, 133329), (105, 120631), (133, 95235), (147, 86165), (245, 51699), (285, 44443), (399, 31745), (665, 19047), (735, 17233), (907, 13965), (931, 13605), (1995, 6349), (2721, 4655), (2793, 4535)]