15381825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 27367296

約数和(自身を除く): 11985471

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 115, 185, 241, 345, 555, 575, 723, 851, 925, 1205, 1725, 2553, 2775, 3615, 4255, 5543, 6025, 8917, 12765, 16629, 18075, 21275, 26751, 27715, 44585, 63825, 83145, 133755, 138575, 205091, 222925, 415725, 615273, 668775, 1025455, 3076365, 5127275, 15381825]

約数ペア:

[(1, 15381825), (3, 5127275), (5, 3076365), (15, 1025455), (23, 668775), (25, 615273), (37, 415725), (69, 222925), (75, 205091), (111, 138575), (115, 133755), (185, 83145), (241, 63825), (345, 44585), (555, 27715), (575, 26751), (723, 21275), (851, 18075), (925, 16629), (1205, 12765), (1725, 8917), (2553, 6025), (2775, 5543), (3615, 4255)]