313639785

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 566514000

約数和(自身を除く): 252874215

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 149, 261, 435, 447, 745, 1305, 1341, 1613, 2235, 4321, 4839, 6705, 8065, 12963, 14517, 21605, 24195, 38889, 46777, 64815, 72585, 140331, 194445, 233885, 240337, 420993, 701655, 721011, 1201685, 2104965, 2163033, 3605055, 6969773, 10815165, 20909319, 34848865, 62727957, 104546595, 313639785]

約数ペア:

[(1, 313639785), (3, 104546595), (5, 62727957), (9, 34848865), (15, 20909319), (29, 10815165), (45, 6969773), (87, 3605055), (145, 2163033), (149, 2104965), (261, 1201685), (435, 721011), (447, 701655), (745, 420993), (1305, 240337), (1341, 233885), (1613, 194445), (2235, 140331), (4321, 72585), (4839, 64815), (6705, 46777), (8065, 38889), (12963, 24195), (14517, 21605)]