31553145

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 60

約数和(自身を含む): 61380396

約数和(自身を除く): 29827251

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 195, 351, 405, 461, 507, 585, 845, 1053, 1383, 1521, 1755, 2305, 2535, 4149, 4563, 5265, 5993, 6915, 7605, 12447, 13689, 17979, 20745, 22815, 29965, 37341, 53937, 62235, 68445, 77909, 89895, 161811, 186705, 233727, 269685, 389545, 485433, 701181, 809055, 1168635, 2103543, 2427165, 3505905, 6310629, 10517715, 31553145]

約数ペア:

[(1, 31553145), (3, 10517715), (5, 6310629), (9, 3505905), (13, 2427165), (15, 2103543), (27, 1168635), (39, 809055), (45, 701181), (65, 485433), (81, 389545), (117, 269685), (135, 233727), (169, 186705), (195, 161811), (351, 89895), (405, 77909), (461, 68445), (507, 62235), (585, 53937), (845, 37341), (1053, 29965), (1383, 22815), (1521, 20745), (1755, 17979), (2305, 13689), (2535, 12447), (4149, 7605), (4563, 6915), (5265, 5993)]