12353553

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 20328000

約数和(自身を除く): 7974447

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 349, 437, 513, 621, 1047, 1311, 1539, 1863, 3141, 3933, 6631, 8027, 9423, 11799, 19893, 24081, 28269, 35397, 59679, 72243, 152513, 179037, 216729, 457539, 537111, 650187, 1372617, 4117851, 12353553]

約数ペア:

[(1, 12353553), (3, 4117851), (9, 1372617), (19, 650187), (23, 537111), (27, 457539), (57, 216729), (69, 179037), (81, 152513), (171, 72243), (207, 59679), (349, 35397), (437, 28269), (513, 24081), (621, 19893), (1047, 11799), (1311, 9423), (1539, 8027), (1863, 6631), (3141, 3933)]