31303909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{821}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 38666880

約数和(自身を除く): 7362971

約数列:

[1, 7, 13, 91, 419, 821, 2933, 5447, 5747, 10673, 38129, 74711, 343999, 2407993, 4471987, 31303909]

約数ペア:

[(1, 31303909), (7, 4471987), (13, 2407993), (91, 343999), (419, 74711), (821, 38129), (2933, 10673), (5447, 5747)]