256106697

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{1217}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 426553344

約数和(自身を除く): 170446647

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 911, 1217, 2733, 3651, 6377, 8519, 10021, 13387, 19131, 25557, 30063, 40161, 70147, 93709, 210441, 281127, 1108687, 3326061, 7760809, 12195557, 23282427, 36586671, 85368899, 256106697]

約数ペア:

[(1, 256106697), (3, 85368899), (7, 36586671), (11, 23282427), (21, 12195557), (33, 7760809), (77, 3326061), (231, 1108687), (911, 281127), (1217, 210441), (2733, 93709), (3651, 70147), (6377, 40161), (8519, 30063), (10021, 25557), (13387, 19131)]