12805425

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 23986560

約数和(自身を除く): 11181135

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 311, 549, 675, 915, 933, 1525, 1555, 1647, 2745, 2799, 4575, 4665, 7775, 8235, 8397, 13725, 13995, 18971, 23325, 41175, 41985, 56913, 69975, 94855, 170739, 209925, 284565, 474275, 512217, 853695, 1422825, 2561085, 4268475, 12805425]

約数ペア:

[(1, 12805425), (3, 4268475), (5, 2561085), (9, 1422825), (15, 853695), (25, 512217), (27, 474275), (45, 284565), (61, 209925), (75, 170739), (135, 94855), (183, 69975), (225, 56913), (305, 41985), (311, 41175), (549, 23325), (675, 18971), (915, 13995), (933, 13725), (1525, 8397), (1555, 8235), (1647, 7775), (2745, 4665), (2799, 4575)]