25221321

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{30133}}^1$

素因数の和:30173

約数の個数: 16

約数和(自身を含む): 38571520

約数和(自身を除く): 13350199

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 30133, 90399, 271197, 813591, 934123, 2802369, 8407107, 25221321]

約数ペア:

[(1, 25221321), (3, 8407107), (9, 2802369), (27, 934123), (31, 813591), (93, 271197), (279, 90399), (837, 30133)]