80909475

素因数分解:

$3^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{2503}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 134134272

約数和(自身を除く): 53224797

約数列:

[1, 3, 5, 15, 25, 75, 431, 1293, 2155, 2503, 6465, 7509, 10775, 12515, 32325, 37545, 62575, 187725, 1078793, 3236379, 5393965, 16181895, 26969825, 80909475]

約数ペア:

[(1, 80909475), (3, 26969825), (5, 16181895), (15, 5393965), (25, 3236379), (75, 1078793), (431, 187725), (1293, 62575), (2155, 37545), (2503, 32325), (6465, 12515), (7509, 10775)]