68501769

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 106782720

約数和(自身を除く): 38280951

約数列:

[1, 3, 7, 21, 79, 157, 237, 263, 471, 553, 789, 1099, 1659, 1841, 3297, 5523, 12403, 20777, 37209, 41291, 62331, 86821, 123873, 145439, 260463, 289037, 436317, 867111, 3261989, 9785967, 22833923, 68501769]

約数ペア:

[(1, 68501769), (3, 22833923), (7, 9785967), (21, 3261989), (79, 867111), (157, 436317), (237, 289037), (263, 260463), (471, 145439), (553, 123873), (789, 86821), (1099, 62331), (1659, 41291), (1841, 37209), (3297, 20777), (5523, 12403)]