31809375

素因数分解:

$3^3\times 5^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 33811425

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 29, 39, 45, 65, 75, 87, 117, 125, 135, 145, 195, 225, 261, 325, 351, 375, 377, 435, 585, 625, 675, 725, 783, 975, 1125, 1131, 1305, 1625, 1755, 1875, 1885, 2175, 2925, 3125, 3375, 3393, 3625, 3915, 4875, 5625, 5655, 6525, 8125, 8775, 9375, 9425, 10179, 10875, 14625, 16875, 16965, 18125, 19575, 24375, 28125, 28275, 32625, 40625, 43875, 47125, 50895, 54375, 73125, 84375, 84825, 90625, 97875, 121875, 141375, 163125, 219375, 235625, 254475, 271875, 365625, 424125, 489375, 706875, 815625, 1096875, 1178125, 1272375, 2120625, 2446875, 3534375, 6361875, 10603125, 31809375]

約数ペア:

[(1, 31809375), (3, 10603125), (5, 6361875), (9, 3534375), (13, 2446875), (15, 2120625), (25, 1272375), (27, 1178125), (29, 1096875), (39, 815625), (45, 706875), (65, 489375), (75, 424125), (87, 365625), (117, 271875), (125, 254475), (135, 235625), (145, 219375), (195, 163125), (225, 141375), (261, 121875), (325, 97875), (351, 90625), (375, 84825), (377, 84375), (435, 73125), (585, 54375), (625, 50895), (675, 47125), (725, 43875), (783, 40625), (975, 32625), (1125, 28275), (1131, 28125), (1305, 24375), (1625, 19575), (1755, 18125), (1875, 16965), (1885, 16875), (2175, 14625), (2925, 10875), (3125, 10179), (3375, 9425), (3393, 9375), (3625, 8775), (3915, 8125), (4875, 6525), (5625, 5655)]