991575

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 1979040

約数和(自身を除く): 987465

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 113, 117, 135, 195, 225, 325, 339, 351, 565, 585, 675, 975, 1017, 1469, 1695, 1755, 2825, 2925, 3051, 4407, 5085, 7345, 8475, 8775, 13221, 15255, 22035, 25425, 36725, 39663, 66105, 76275, 110175, 198315, 330525, 991575]

約数ペア:

[(1, 991575), (3, 330525), (5, 198315), (9, 110175), (13, 76275), (15, 66105), (25, 39663), (27, 36725), (39, 25425), (45, 22035), (65, 15255), (75, 13221), (113, 8775), (117, 8475), (135, 7345), (195, 5085), (225, 4407), (325, 3051), (339, 2925), (351, 2825), (565, 1755), (585, 1695), (675, 1469), (975, 1017)]