664861509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4903}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 1106734720

約数和(自身を除く): 441873211

約数列:

[1, 3, 9, 13, 19, 39, 57, 61, 117, 171, 183, 247, 549, 741, 793, 1159, 2223, 2379, 3477, 4903, 7137, 10431, 14709, 15067, 44127, 45201, 63739, 93157, 135603, 191217, 279471, 299083, 573651, 838413, 897249, 1211041, 2691747, 3633123, 3888079, 5682577, 10899369, 11664237, 17047731, 34992711, 51143193, 73873501, 221620503, 664861509]

約数ペア:

[(1, 664861509), (3, 221620503), (9, 73873501), (13, 51143193), (19, 34992711), (39, 17047731), (57, 11664237), (61, 10899369), (117, 5682577), (171, 3888079), (183, 3633123), (247, 2691747), (549, 1211041), (741, 897249), (793, 838413), (1159, 573651), (2223, 299083), (2379, 279471), (3477, 191217), (4903, 135603), (7137, 93157), (10431, 63739), (14709, 45201), (15067, 44127)]