90345409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{11617}}^1$

素因数の和:11736

約数の個数: 16

約数和(自身を含む): 113763456

約数和(自身を除く): 23418047

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 11617, 81319, 127787, 894509, 1173317, 8213219, 12906487, 90345409]

約数ペア:

[(1, 90345409), (7, 12906487), (11, 8213219), (77, 1173317), (101, 894509), (707, 127787), (1111, 81319), (7777, 11617)]