1319789985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 2283240960

約数和(自身を除く): 963450975

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 109, 255, 309, 327, 461, 515, 545, 1383, 1545, 1635, 1751, 1853, 2305, 5253, 5559, 6915, 7837, 8755, 9265, 11227, 23511, 26265, 27795, 33681, 39185, 47483, 50249, 56135, 117555, 142449, 150747, 168405, 190859, 237415, 251245, 572577, 712245, 753735, 807211, 854233, 954295, 2421633, 2562699, 2862885, 4036055, 4271165, 5175647, 12108165, 12813495, 15526941, 25878235, 77634705, 87985999, 263957997, 439929995, 1319789985]

約数ペア:

[(1, 1319789985), (3, 439929995), (5, 263957997), (15, 87985999), (17, 77634705), (51, 25878235), (85, 15526941), (103, 12813495), (109, 12108165), (255, 5175647), (309, 4271165), (327, 4036055), (461, 2862885), (515, 2562699), (545, 2421633), (1383, 954295), (1545, 854233), (1635, 807211), (1751, 753735), (1853, 712245), (2305, 572577), (5253, 251245), (5559, 237415), (6915, 190859), (7837, 168405), (8755, 150747), (9265, 142449), (11227, 117555), (23511, 56135), (26265, 50249), (27795, 47483), (33681, 39185)]