28771065

素因数分解:

$3^3\times 5^1\times {\mathrm{213119}}^1$

素因数の和:213133

約数の個数: 16

約数和(自身を含む): 51148800

約数和(自身を除く): 22377735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 213119, 639357, 1065595, 1918071, 3196785, 5754213, 9590355, 28771065]

約数ペア:

[(1, 28771065), (3, 9590355), (5, 5754213), (9, 3196785), (15, 1918071), (27, 1065595), (45, 639357), (135, 213119)]