31930821

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{90971}}^1$

素因数の和:90993

約数の個数: 16

約数和(自身を含む): 50944320

約数和(自身を除く): 19013499

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 90971, 272913, 818739, 1182623, 2456217, 3547869, 10643607, 31930821]

約数ペア:

[(1, 31930821), (3, 10643607), (9, 3547869), (13, 2456217), (27, 1182623), (39, 818739), (117, 272913), (351, 90971)]