81318675

素因数分解:

$3^1\times 5^2\times {\mathrm{983}}^1\times {\mathrm{1103}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 134705664

約数和(自身を除く): 53386989

約数列:

[1, 3, 5, 15, 25, 75, 983, 1103, 2949, 3309, 4915, 5515, 14745, 16545, 24575, 27575, 73725, 82725, 1084249, 3252747, 5421245, 16263735, 27106225, 81318675]

約数ペア:

[(1, 81318675), (3, 27106225), (5, 16263735), (15, 5421245), (25, 3252747), (75, 1084249), (983, 82725), (1103, 73725), (2949, 27575), (3309, 24575), (4915, 16545), (5515, 14745)]