25516911

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 14738577

約数列:

[1, 3, 7, 21, 47, 103, 141, 251, 309, 329, 721, 753, 987, 1757, 2163, 4841, 5271, 11797, 14523, 25853, 33887, 35391, 77559, 82579, 101661, 180971, 247737, 542913, 1215091, 3645273, 8505637, 25516911]

約数ペア:

[(1, 25516911), (3, 8505637), (7, 3645273), (21, 1215091), (47, 542913), (103, 247737), (141, 180971), (251, 101661), (309, 82579), (329, 77559), (721, 35391), (753, 33887), (987, 25853), (1757, 14523), (2163, 11797), (4841, 5271)]