205127415

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{467}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 366208128

約数和(自身を除く): 161080713

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 227, 387, 467, 645, 681, 1135, 1401, 1935, 2043, 2335, 3405, 4203, 7005, 9761, 10215, 20081, 21015, 29283, 48805, 60243, 87849, 100405, 106009, 146415, 180729, 301215, 318027, 439245, 530045, 903645, 954081, 1590135, 4558387, 4770405, 13675161, 22791935, 41025483, 68375805, 205127415]

約数ペア:

[(1, 205127415), (3, 68375805), (5, 41025483), (9, 22791935), (15, 13675161), (43, 4770405), (45, 4558387), (129, 1590135), (215, 954081), (227, 903645), (387, 530045), (467, 439245), (645, 318027), (681, 301215), (1135, 180729), (1401, 146415), (1935, 106009), (2043, 100405), (2335, 87849), (3405, 60243), (4203, 48805), (7005, 29283), (9761, 21015), (10215, 20081)]