80879985

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 151315200

約数和(自身を除く): 70435215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 73, 87, 135, 145, 219, 261, 283, 365, 435, 657, 783, 849, 1095, 1305, 1415, 1971, 2117, 2547, 3285, 3915, 4245, 6351, 7641, 8207, 9855, 10585, 12735, 19053, 20659, 24621, 31755, 38205, 41035, 57159, 61977, 73863, 95265, 103295, 123105, 185931, 221589, 285795, 309885, 369315, 557793, 599111, 929655, 1107945, 1797333, 2788965, 2995555, 5391999, 8986665, 16175997, 26959995, 80879985]

約数ペア:

[(1, 80879985), (3, 26959995), (5, 16175997), (9, 8986665), (15, 5391999), (27, 2995555), (29, 2788965), (45, 1797333), (73, 1107945), (87, 929655), (135, 599111), (145, 557793), (219, 369315), (261, 309885), (283, 285795), (365, 221589), (435, 185931), (657, 123105), (783, 103295), (849, 95265), (1095, 73863), (1305, 61977), (1415, 57159), (1971, 41035), (2117, 38205), (2547, 31755), (3285, 24621), (3915, 20659), (4245, 19053), (6351, 12735), (7641, 10585), (8207, 9855)]