391040415

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{38281}}^1$

素因数の和:38519

約数の個数: 24

約数和(自身を含む): 680807088

約数和(自身を除く): 289766673

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 3405, 10215, 38281, 114843, 191405, 344529, 574215, 1722645, 8689787, 26069361, 43448935, 78208083, 130346805, 391040415]

約数ペア:

[(1, 391040415), (3, 130346805), (5, 78208083), (9, 43448935), (15, 26069361), (45, 8689787), (227, 1722645), (681, 574215), (1135, 344529), (2043, 191405), (3405, 114843), (10215, 38281)]