68687385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2161}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 119134848

約数和(自身を除く): 50447463

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 815, 2119, 2161, 2445, 6357, 6483, 10595, 10805, 28093, 31785, 32415, 84279, 140465, 352243, 421395, 1056729, 1761215, 4579159, 5283645, 13737477, 22895795, 68687385]

約数ペア:

[(1, 68687385), (3, 22895795), (5, 13737477), (13, 5283645), (15, 4579159), (39, 1761215), (65, 1056729), (163, 421395), (195, 352243), (489, 140465), (815, 84279), (2119, 32415), (2161, 31785), (2445, 28093), (6357, 10805), (6483, 10595)]