204055839

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 351711360

約数和(自身を除く): 147655521

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 169, 171, 207, 247, 299, 307, 437, 507, 741, 897, 921, 1311, 1521, 2223, 2691, 2763, 3211, 3887, 3933, 3991, 5681, 5833, 7061, 9633, 11661, 11973, 17043, 17499, 21183, 28899, 34983, 35919, 51129, 51883, 52497, 63549, 73853, 75829, 91793, 134159, 155649, 221559, 227487, 275379, 402477, 466947, 664677, 682461, 826137, 985777, 1193309, 1207431, 1744067, 2957331, 3579927, 5232201, 8871993, 10739781, 15696603, 22672871, 68018613, 204055839]

約数ペア:

[(1, 204055839), (3, 68018613), (9, 22672871), (13, 15696603), (19, 10739781), (23, 8871993), (39, 5232201), (57, 3579927), (69, 2957331), (117, 1744067), (169, 1207431), (171, 1193309), (207, 985777), (247, 826137), (299, 682461), (307, 664677), (437, 466947), (507, 402477), (741, 275379), (897, 227487), (921, 221559), (1311, 155649), (1521, 134159), (2223, 91793), (2691, 75829), (2763, 73853), (3211, 63549), (3887, 52497), (3933, 51883), (3991, 51129), (5681, 35919), (5833, 34983), (7061, 28899), (9633, 21183), (11661, 17499), (11973, 17043)]