15780675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12377}}^1$

素因数の和:12407

約数の個数: 24

約数和(自身を含む): 27627696

約数和(自身を除く): 11847021

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 12377, 37131, 61885, 185655, 210409, 309425, 631227, 928275, 1052045, 3156135, 5260225, 15780675]

約数ペア:

[(1, 15780675), (3, 5260225), (5, 3156135), (15, 1052045), (17, 928275), (25, 631227), (51, 309425), (75, 210409), (85, 185655), (255, 61885), (425, 37131), (1275, 12377)]