2561085

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 4642560

約数和(自身を除く): 2081475

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 311, 549, 915, 933, 1555, 1647, 2745, 2799, 4665, 8235, 8397, 13995, 18971, 41985, 56913, 94855, 170739, 284565, 512217, 853695, 2561085]

約数ペア:

[(1, 2561085), (3, 853695), (5, 512217), (9, 284565), (15, 170739), (27, 94855), (45, 56913), (61, 41985), (135, 18971), (183, 13995), (305, 8397), (311, 8235), (549, 4665), (915, 2799), (933, 2745), (1555, 1647)]