852506775

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^2\times {\mathrm{79}}^1$

素因数の和:247

約数の個数: 90

約数和(自身を含む): 1621332240

約数和(自身を除く): 768825465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 79, 81, 135, 219, 225, 237, 365, 395, 405, 657, 675, 711, 1095, 1185, 1825, 1971, 1975, 2025, 2133, 3285, 3555, 5329, 5475, 5767, 5913, 5925, 6399, 9855, 10665, 15987, 16425, 17301, 17775, 26645, 28835, 29565, 31995, 47961, 49275, 51903, 53325, 79935, 86505, 133225, 143883, 144175, 147825, 155709, 159975, 239805, 259515, 399675, 420991, 431649, 432525, 467127, 719415, 778545, 1199025, 1262973, 1297575, 2104955, 2158245, 2335635, 3597075, 3788919, 3892725, 6314865, 10524775, 10791225, 11366757, 11678175, 18944595, 31574325, 34100271, 56833785, 94722975, 170501355, 284168925, 852506775]

約数ペア:

[(1, 852506775), (3, 284168925), (5, 170501355), (9, 94722975), (15, 56833785), (25, 34100271), (27, 31574325), (45, 18944595), (73, 11678175), (75, 11366757), (79, 10791225), (81, 10524775), (135, 6314865), (219, 3892725), (225, 3788919), (237, 3597075), (365, 2335635), (395, 2158245), (405, 2104955), (657, 1297575), (675, 1262973), (711, 1199025), (1095, 778545), (1185, 719415), (1825, 467127), (1971, 432525), (1975, 431649), (2025, 420991), (2133, 399675), (3285, 259515), (3555, 239805), (5329, 159975), (5475, 155709), (5767, 147825), (5913, 144175), (5925, 143883), (6399, 133225), (9855, 86505), (10665, 79935), (15987, 53325), (16425, 51903), (17301, 49275), (17775, 47961), (26645, 31995), (28835, 29565)]