31882275

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 59148000

約数和(自身を除く): 27265725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 225, 317, 447, 675, 745, 951, 1341, 1585, 2235, 2853, 3725, 4023, 4755, 6705, 7925, 8559, 11175, 14265, 20115, 23775, 33525, 42795, 47233, 71325, 100575, 141699, 213975, 236165, 425097, 708495, 1180825, 1275291, 2125485, 3542475, 6376455, 10627425, 31882275]

約数ペア:

[(1, 31882275), (3, 10627425), (5, 6376455), (9, 3542475), (15, 2125485), (25, 1275291), (27, 1180825), (45, 708495), (75, 425097), (135, 236165), (149, 213975), (225, 141699), (317, 100575), (447, 71325), (675, 47233), (745, 42795), (951, 33525), (1341, 23775), (1585, 20115), (2235, 14265), (2853, 11175), (3725, 8559), (4023, 7925), (4755, 6705)]