15984945

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 40

約数和(自身を含む): 29664360

約数和(自身を除く): 13679415

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1361, 2349, 3915, 4083, 6805, 11745, 12249, 20415, 36747, 39469, 61245, 110241, 118407, 183735, 197345, 355221, 551205, 592035, 1065663, 1776105, 3196989, 5328315, 15984945]

約数ペア:

[(1, 15984945), (3, 5328315), (5, 3196989), (9, 1776105), (15, 1065663), (27, 592035), (29, 551205), (45, 355221), (81, 197345), (87, 183735), (135, 118407), (145, 110241), (261, 61245), (405, 39469), (435, 36747), (783, 20415), (1305, 12249), (1361, 11745), (2349, 6805), (3915, 4083)]