257544243

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 420076800

約数和(自身を除く): 162532557

約数列:

[1, 3, 9, 11, 33, 43, 99, 101, 129, 303, 387, 473, 599, 909, 1111, 1419, 1797, 3333, 4257, 4343, 5391, 6589, 9999, 13029, 19767, 25757, 39087, 47773, 59301, 60499, 77271, 143319, 181497, 231813, 283327, 429957, 544491, 665489, 849981, 1996467, 2549943, 2601457, 5989401, 7804371, 23413113, 28616027, 85848081, 257544243]

約数ペア:

[(1, 257544243), (3, 85848081), (9, 28616027), (11, 23413113), (33, 7804371), (43, 5989401), (99, 2601457), (101, 2549943), (129, 1996467), (303, 849981), (387, 665489), (473, 544491), (599, 429957), (909, 283327), (1111, 231813), (1419, 181497), (1797, 143319), (3333, 77271), (4257, 60499), (4343, 59301), (5391, 47773), (6589, 39087), (9999, 25757), (13029, 19767)]