209081509

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{56039}}^1$

素因数の和:56100

約数の個数: 16

約数和(自身を含む): 263612160

約数和(自身を除く): 54530651

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 56039, 392273, 728507, 2297599, 5099549, 16083193, 29868787, 209081509]

約数ペア:

[(1, 209081509), (7, 29868787), (13, 16083193), (41, 5099549), (91, 2297599), (287, 728507), (533, 392273), (3731, 56039)]