6405945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 13386816

約数和(自身を除く): 6980871

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 169, 195, 247, 273, 285, 361, 399, 455, 507, 665, 741, 845, 1083, 1183, 1235, 1365, 1729, 1805, 1995, 2527, 2535, 3211, 3549, 3705, 4693, 5187, 5415, 5915, 7581, 8645, 9633, 12635, 14079, 16055, 17745, 22477, 23465, 25935, 32851, 37905, 48165, 61009, 67431, 70395, 98553, 112385, 164255, 183027, 305045, 337155, 427063, 492765, 915135, 1281189, 2135315, 6405945]

約数ペア:

[(1, 6405945), (3, 2135315), (5, 1281189), (7, 915135), (13, 492765), (15, 427063), (19, 337155), (21, 305045), (35, 183027), (39, 164255), (57, 112385), (65, 98553), (91, 70395), (95, 67431), (105, 61009), (133, 48165), (169, 37905), (195, 32851), (247, 25935), (273, 23465), (285, 22477), (361, 17745), (399, 16055), (455, 14079), (507, 12635), (665, 9633), (741, 8645), (845, 7581), (1083, 5915), (1183, 5415), (1235, 5187), (1365, 4693), (1729, 3705), (1805, 3549), (1995, 3211), (2527, 2535)]