17812777311

素因数分解:

$3^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{131447}}^1$

素因数の和:131705

約数の個数: 40

約数和(自身を含む): 30537999360

約数和(自身を除く): 12725222049

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 239, 567, 717, 1673, 2151, 5019, 6453, 15057, 19359, 45171, 131447, 135513, 394341, 920129, 1183023, 2760387, 3549069, 8281161, 10647207, 24843483, 31415833, 74530449, 94247499, 219910831, 282742497, 659732493, 848227491, 1979197479, 2544682473, 5937592437, 17812777311]

約数ペア:

[(1, 17812777311), (3, 5937592437), (7, 2544682473), (9, 1979197479), (21, 848227491), (27, 659732493), (63, 282742497), (81, 219910831), (189, 94247499), (239, 74530449), (567, 31415833), (717, 24843483), (1673, 10647207), (2151, 8281161), (5019, 3549069), (6453, 2760387), (15057, 1183023), (19359, 920129), (45171, 394341), (131447, 135513)]