16919145

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5449}}^1$

素因数の和:5486

約数の個数: 32

約数和(自身を含む): 31392000

約数和(自身を除く): 14472855

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 5449, 16347, 27245, 49041, 81735, 125327, 147123, 245205, 375981, 626635, 735615, 1127943, 1879905, 3383829, 5639715, 16919145]

約数ペア:

[(1, 16919145), (3, 5639715), (5, 3383829), (9, 1879905), (15, 1127943), (23, 735615), (27, 626635), (45, 375981), (69, 245205), (115, 147123), (135, 125327), (207, 81735), (345, 49041), (621, 27245), (1035, 16347), (3105, 5449)]