64908753

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3257}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 108009216

約数和(自身を除く): 43100463

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 3257, 6643, 9771, 19929, 22799, 42341, 68397, 127023, 237761, 296387, 713283, 889161, 1664327, 3090893, 4992981, 9272679, 21636251, 64908753]

約数ペア:

[(1, 64908753), (3, 21636251), (7, 9272679), (13, 4992981), (21, 3090893), (39, 1664327), (73, 889161), (91, 713283), (219, 296387), (273, 237761), (511, 127023), (949, 68397), (1533, 42341), (2847, 22799), (3257, 19929), (6643, 9771)]