18988425

素因数分解:

$3^4\times 5^2\times {\mathrm{9377}}^1$

素因数の和:9399

約数の個数: 30

約数和(自身を含む): 35176878

約数和(自身を除く): 16188453

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9377, 28131, 46885, 84393, 140655, 234425, 253179, 421965, 703275, 759537, 1265895, 2109825, 3797685, 6329475, 18988425]

約数ペア:

[(1, 18988425), (3, 6329475), (5, 3797685), (9, 2109825), (15, 1265895), (25, 759537), (27, 703275), (45, 421965), (75, 253179), (81, 234425), (135, 140655), (225, 84393), (405, 46885), (675, 28131), (2025, 9377)]