1647243

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:73

約数の個数: 36

約数和(自身を含む): 2788920

約数和(自身を除く): 1141677

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 169, 171, 247, 351, 361, 507, 513, 741, 1083, 1521, 2223, 3211, 3249, 4563, 4693, 6669, 9633, 9747, 14079, 28899, 42237, 61009, 86697, 126711, 183027, 549081, 1647243]

約数ペア:

[(1, 1647243), (3, 549081), (9, 183027), (13, 126711), (19, 86697), (27, 61009), (39, 42237), (57, 28899), (117, 14079), (169, 9747), (171, 9633), (247, 6669), (351, 4693), (361, 4563), (507, 3249), (513, 3211), (741, 2223), (1083, 1521)]