12345825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 22605696

約数和(自身を除く): 10259871

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 421, 425, 575, 1173, 1263, 1275, 1725, 1955, 2105, 5865, 6315, 7157, 9683, 9775, 10525, 21471, 29049, 29325, 31575, 35785, 48415, 107355, 145245, 164611, 178925, 242075, 493833, 536775, 726225, 823055, 2469165, 4115275, 12345825]

約数ペア:

[(1, 12345825), (3, 4115275), (5, 2469165), (15, 823055), (17, 726225), (23, 536775), (25, 493833), (51, 242075), (69, 178925), (75, 164611), (85, 145245), (115, 107355), (255, 48415), (345, 35785), (391, 31575), (421, 29325), (425, 29049), (575, 21471), (1173, 10525), (1263, 9775), (1275, 9683), (1725, 7157), (1955, 6315), (2105, 5865)]