221560703

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3191}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 280193760

約数和(自身を除く): 58633057

約数列:

[1, 7, 13, 49, 91, 109, 637, 763, 1417, 3191, 5341, 9919, 22337, 41483, 69433, 156359, 290381, 347819, 2032667, 2434733, 4521647, 17043131, 31651529, 221560703]

約数ペア:

[(1, 221560703), (7, 31651529), (13, 17043131), (49, 4521647), (91, 2434733), (109, 2032667), (637, 347819), (763, 290381), (1417, 156359), (3191, 69433), (5341, 41483), (9919, 22337)]