1399455

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 2454192

約数和(自身を除く): 1054737

約数列:

[1, 3, 5, 9, 15, 45, 137, 227, 411, 681, 685, 1135, 1233, 2043, 2055, 3405, 6165, 10215, 31099, 93297, 155495, 279891, 466485, 1399455]

約数ペア:

[(1, 1399455), (3, 466485), (5, 279891), (9, 155495), (15, 93297), (45, 31099), (137, 10215), (227, 6165), (411, 3405), (681, 2055), (685, 2043), (1135, 1233)]