18345375

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 34557120

約数和(自身を除く): 16211745

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 709, 1035, 1125, 1725, 2127, 2875, 3545, 5175, 6381, 8625, 10635, 16307, 17725, 25875, 31905, 48921, 53175, 81535, 88625, 146763, 159525, 244605, 265875, 407675, 733815, 797625, 1223025, 2038375, 3669075, 6115125, 18345375]

約数ペア:

[(1, 18345375), (3, 6115125), (5, 3669075), (9, 2038375), (15, 1223025), (23, 797625), (25, 733815), (45, 407675), (69, 265875), (75, 244605), (115, 159525), (125, 146763), (207, 88625), (225, 81535), (345, 53175), (375, 48921), (575, 31905), (709, 25875), (1035, 17725), (1125, 16307), (1725, 10635), (2127, 8625), (2875, 6381), (3545, 5175)]