253141257

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 359783424

約数和(自身を除く): 106642167

約数列:

[1, 3, 31, 41, 93, 123, 197, 337, 591, 1011, 1271, 3813, 6107, 8077, 10447, 13817, 18321, 24231, 31341, 41451, 66389, 199167, 250387, 428327, 751161, 1284981, 2058059, 2721949, 6174177, 8165847, 84380419, 253141257]

約数ペア:

[(1, 253141257), (3, 84380419), (31, 8165847), (41, 6174177), (93, 2721949), (123, 2058059), (197, 1284981), (337, 751161), (591, 428327), (1011, 250387), (1271, 199167), (3813, 66389), (6107, 41451), (8077, 31341), (10447, 24231), (13817, 18321)]