17887401

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 30730752

約数和(自身を除く): 12843351

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 863, 987, 2303, 2589, 2961, 6041, 6909, 7767, 18123, 20727, 40561, 42287, 54369, 121683, 126861, 283927, 365049, 380583, 851781, 1987489, 2555343, 5962467, 17887401]

約数ペア:

[(1, 17887401), (3, 5962467), (7, 2555343), (9, 1987489), (21, 851781), (47, 380583), (49, 365049), (63, 283927), (141, 126861), (147, 121683), (329, 54369), (423, 42287), (441, 40561), (863, 20727), (987, 18123), (2303, 7767), (2589, 6909), (2961, 6041)]