1397480031

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{5647}}^1$

素因数の和:6571

約数の個数: 24

約数和(自身を含む): 2086416384

約数和(自身を除く): 688936353

約数列:

[1, 3, 9, 31, 93, 279, 887, 2661, 5647, 7983, 16941, 27497, 50823, 82491, 175057, 247473, 525171, 1575513, 5008889, 15026667, 45080001, 155275559, 465826677, 1397480031]

約数ペア:

[(1, 1397480031), (3, 465826677), (9, 155275559), (31, 45080001), (93, 15026667), (279, 5008889), (887, 1575513), (2661, 525171), (5647, 247473), (7983, 175057), (16941, 82491), (27497, 50823)]