255633

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 415872

約数和(自身を除く): 160239

約数列:

[1, 3, 7, 21, 37, 47, 49, 111, 141, 147, 259, 329, 777, 987, 1739, 1813, 2303, 5217, 5439, 6909, 12173, 36519, 85211, 255633]

約数ペア:

[(1, 255633), (3, 85211), (7, 36519), (21, 12173), (37, 6909), (47, 5439), (49, 5217), (111, 2303), (141, 1813), (147, 1739), (259, 987), (329, 777)]