15994665

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 29118408

約数和(自身を除く): 13123743

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 541, 657, 1095, 1623, 1971, 2705, 3285, 4869, 5913, 8115, 9855, 14607, 24345, 29565, 39493, 43821, 73035, 118479, 197465, 219105, 355437, 592395, 1066311, 1777185, 3198933, 5331555, 15994665]

約数ペア:

[(1, 15994665), (3, 5331555), (5, 3198933), (9, 1777185), (15, 1066311), (27, 592395), (45, 355437), (73, 219105), (81, 197465), (135, 118479), (219, 73035), (365, 43821), (405, 39493), (541, 29565), (657, 24345), (1095, 14607), (1623, 9855), (1971, 8115), (2705, 5913), (3285, 4869)]