19879425

素因数分解:

$3^4\times 5^2\times {\mathrm{9817}}^1$

素因数の和:9839

約数の個数: 30

約数和(自身を含む): 36827318

約数和(自身を除く): 16947893

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9817, 29451, 49085, 88353, 147255, 245425, 265059, 441765, 736275, 795177, 1325295, 2208825, 3975885, 6626475, 19879425]

約数ペア:

[(1, 19879425), (3, 6626475), (5, 3975885), (9, 2208825), (15, 1325295), (25, 795177), (27, 736275), (45, 441765), (75, 265059), (81, 245425), (135, 147255), (225, 88353), (405, 49085), (675, 29451), (2025, 9817)]