78904575

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2677}}^1$

素因数の和:2824

約数の個数: 36

約数和(自身を含む): 142458888

約数和(自身を除く): 63554313

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1179, 1965, 2677, 3275, 5895, 8031, 9825, 13385, 24093, 29475, 40155, 66925, 120465, 200775, 350687, 602325, 1052061, 1753435, 3156183, 5260305, 8767175, 15780915, 26301525, 78904575]

約数ペア:

[(1, 78904575), (3, 26301525), (5, 15780915), (9, 8767175), (15, 5260305), (25, 3156183), (45, 1753435), (75, 1052061), (131, 602325), (225, 350687), (393, 200775), (655, 120465), (1179, 66925), (1965, 40155), (2677, 29475), (3275, 24093), (5895, 13385), (8031, 9825)]