72317775

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^2\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 122065352

約数和(自身を除く): 49747577

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 277, 295, 831, 885, 1385, 1475, 3481, 4155, 4425, 6925, 10443, 16343, 17405, 20775, 49029, 52215, 81715, 87025, 245145, 261075, 408575, 964237, 1225725, 2892711, 4821185, 14463555, 24105925, 72317775]

約数ペア:

[(1, 72317775), (3, 24105925), (5, 14463555), (15, 4821185), (25, 2892711), (59, 1225725), (75, 964237), (177, 408575), (277, 261075), (295, 245145), (831, 87025), (885, 81715), (1385, 52215), (1475, 49029), (3481, 20775), (4155, 17405), (4425, 16343), (6925, 10443)]