121511205

素因数分解:

$3^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1721}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 216558720

約数和(自身を除く): 95047515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 523, 1569, 1721, 2615, 4707, 5163, 7845, 8605, 14121, 15489, 23535, 25815, 46467, 70605, 77445, 232335, 900083, 2700249, 4500415, 8100747, 13501245, 24302241, 40503735, 121511205]

約数ペア:

[(1, 121511205), (3, 40503735), (5, 24302241), (9, 13501245), (15, 8100747), (27, 4500415), (45, 2700249), (135, 900083), (523, 232335), (1569, 77445), (1721, 70605), (2615, 46467), (4707, 25815), (5163, 23535), (7845, 15489), (8605, 14121)]