31312215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 63735984

約数和(自身を除く): 32423769

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 61, 85, 99, 153, 165, 183, 187, 255, 305, 495, 549, 561, 671, 765, 915, 935, 1037, 1683, 2013, 2745, 2805, 3111, 3355, 3721, 5185, 6039, 8415, 9333, 10065, 11163, 11407, 15555, 18605, 30195, 33489, 34221, 40931, 46665, 55815, 57035, 63257, 102663, 122793, 167445, 171105, 189771, 204655, 316285, 368379, 513315, 569313, 613965, 695827, 948855, 1841895, 2087481, 2846565, 3479135, 6262443, 10437405, 31312215]

約数ペア:

[(1, 31312215), (3, 10437405), (5, 6262443), (9, 3479135), (11, 2846565), (15, 2087481), (17, 1841895), (33, 948855), (45, 695827), (51, 613965), (55, 569313), (61, 513315), (85, 368379), (99, 316285), (153, 204655), (165, 189771), (183, 171105), (187, 167445), (255, 122793), (305, 102663), (495, 63257), (549, 57035), (561, 55815), (671, 46665), (765, 40931), (915, 34221), (935, 33489), (1037, 30195), (1683, 18605), (2013, 15555), (2745, 11407), (2805, 11163), (3111, 10065), (3355, 9333), (3721, 8415), (5185, 6039)]