398490615

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 704246400

約数和(自身を除く): 305755785

約数列:

[1, 3, 5, 9, 15, 45, 79, 197, 237, 395, 569, 591, 711, 985, 1185, 1707, 1773, 2845, 2955, 3555, 5121, 8535, 8865, 15563, 25605, 44951, 46689, 77815, 112093, 134853, 140067, 224755, 233445, 336279, 404559, 560465, 674265, 700335, 1008837, 1681395, 2022795, 5044185, 8855347, 26566041, 44276735, 79698123, 132830205, 398490615]

約数ペア:

[(1, 398490615), (3, 132830205), (5, 79698123), (9, 44276735), (15, 26566041), (45, 8855347), (79, 5044185), (197, 2022795), (237, 1681395), (395, 1008837), (569, 700335), (591, 674265), (711, 560465), (985, 404559), (1185, 336279), (1707, 233445), (1773, 224755), (2845, 140067), (2955, 134853), (3555, 112093), (5121, 77815), (8535, 46689), (8865, 44951), (15563, 25605)]