3131933

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 16

約数和(自身を含む): 3820800

約数和(自身を除く): 688867

約数列:

[1, 7, 23, 49, 161, 343, 397, 1127, 2779, 7889, 9131, 19453, 63917, 136171, 447419, 3131933]

約数ペア:

[(1, 3131933), (7, 447419), (23, 136171), (49, 63917), (161, 19453), (343, 9131), (397, 7889), (1127, 2779)]