1801475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 2520672

約数和(自身を除く): 719197

約数列:

[1, 5, 13, 23, 25, 65, 115, 241, 299, 325, 575, 1205, 1495, 3133, 5543, 6025, 7475, 15665, 27715, 72059, 78325, 138575, 360295, 1801475]

約数ペア:

[(1, 1801475), (5, 360295), (13, 138575), (23, 78325), (25, 72059), (65, 27715), (115, 15665), (241, 7475), (299, 6025), (325, 5543), (575, 3133), (1205, 1495)]