21931425

素因数分解:

$3^3\times 5^2\times {\mathrm{32491}}^1$

素因数の和:32510

約数の個数: 24

約数和(自身を含む): 40290080

約数和(自身を除く): 18358655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32491, 97473, 162455, 292419, 487365, 812275, 877257, 1462095, 2436825, 4386285, 7310475, 21931425]

約数ペア:

[(1, 21931425), (3, 7310475), (5, 4386285), (9, 2436825), (15, 1462095), (25, 877257), (27, 812275), (45, 487365), (75, 292419), (135, 162455), (225, 97473), (675, 32491)]