68646705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 114048000

約数和(自身を除く): 45401295

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1499, 3053, 4497, 7495, 9159, 15265, 22485, 45795, 64457, 106429, 193371, 319287, 322285, 532145, 966855, 1596435, 4576447, 13729341, 22882235, 68646705]

約数ペア:

[(1, 68646705), (3, 22882235), (5, 13729341), (15, 4576447), (43, 1596435), (71, 966855), (129, 532145), (213, 322285), (215, 319287), (355, 193371), (645, 106429), (1065, 64457), (1499, 45795), (3053, 22485), (4497, 15265), (7495, 9159)]