289676989

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{13217}}^1$

素因数の和:13356

約数の個数: 16

約数和(自身を含む): 345148416

約数和(自身を除く): 55471427

約数列:

[1, 7, 31, 101, 217, 707, 3131, 13217, 21917, 92519, 409727, 1334917, 2868089, 9344419, 41382427, 289676989]

約数ペア:

[(1, 289676989), (7, 41382427), (31, 9344419), (101, 2868089), (217, 1334917), (707, 409727), (3131, 92519), (13217, 21917)]