28416015

素因数分解:

$3^4\times 5^1\times {\mathrm{70163}}^1$

素因数の和:70180

約数の個数: 20

約数和(自身を含む): 50939064

約数和(自身を除く): 22523049

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70163, 210489, 350815, 631467, 1052445, 1894401, 3157335, 5683203, 9472005, 28416015]

約数ペア:

[(1, 28416015), (3, 9472005), (5, 5683203), (9, 3157335), (15, 1894401), (27, 1052445), (45, 631467), (81, 350815), (135, 210489), (405, 70163)]