71724615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281273}}^1$

素因数の和:281298

約数の個数: 16

約数和(自身を含む): 121510368

約数和(自身を除く): 49785753

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 281273, 843819, 1406365, 4219095, 4781641, 14344923, 23908205, 71724615]

約数ペア:

[(1, 71724615), (3, 23908205), (5, 14344923), (15, 4781641), (17, 4219095), (51, 1406365), (85, 843819), (255, 281273)]