217438425

素因数分解:

$3^4\times 5^2\times {\mathrm{107377}}^1$

素因数の和:107399

約数の個数: 30

約数和(自身を含む): 402774878

約数和(自身を除く): 185336453

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 107377, 322131, 536885, 966393, 1610655, 2684425, 2899179, 4831965, 8053275, 8697537, 14495895, 24159825, 43487685, 72479475, 217438425]

約数ペア:

[(1, 217438425), (3, 72479475), (5, 43487685), (9, 24159825), (15, 14495895), (25, 8697537), (27, 8053275), (45, 4831965), (75, 2899179), (81, 2684425), (135, 1610655), (225, 966393), (405, 536885), (675, 322131), (2025, 107377)]