657182745

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 1166959872

約数和(自身を除く): 509777127

約数列:

[1, 3, 5, 9, 15, 45, 71, 103, 213, 309, 355, 515, 639, 927, 1065, 1545, 1997, 3195, 4635, 5991, 7313, 9985, 17973, 21939, 29955, 36565, 65817, 89865, 109695, 141787, 205691, 329085, 425361, 617073, 708935, 1028455, 1276083, 1851219, 2126805, 3085365, 6380415, 9256095, 14604061, 43812183, 73020305, 131436549, 219060915, 657182745]

約数ペア:

[(1, 657182745), (3, 219060915), (5, 131436549), (9, 73020305), (15, 43812183), (45, 14604061), (71, 9256095), (103, 6380415), (213, 3085365), (309, 2126805), (355, 1851219), (515, 1276083), (639, 1028455), (927, 708935), (1065, 617073), (1545, 425361), (1997, 329085), (3195, 205691), (4635, 141787), (5991, 109695), (7313, 89865), (9985, 65817), (17973, 36565), (21939, 29955)]