27890513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1619}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 5701807

約数列:

[1, 7, 23, 107, 161, 749, 1619, 2461, 11333, 17227, 37237, 173233, 260659, 1212631, 3984359, 27890513]

約数ペア:

[(1, 27890513), (7, 3984359), (23, 1212631), (107, 260659), (161, 173233), (749, 37237), (1619, 17227), (2461, 11333)]