15727975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 21561120

約数和(自身を除く): 5833145

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1609, 1955, 8045, 9775, 27353, 37007, 40225, 136765, 185035, 629119, 683825, 925175, 3145595, 15727975]

約数ペア:

[(1, 15727975), (5, 3145595), (17, 925175), (23, 683825), (25, 629119), (85, 185035), (115, 136765), (391, 40225), (425, 37007), (575, 27353), (1609, 9775), (1955, 8045)]