248840361

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 451571328

約数和(自身を除く): 202730967

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 137, 231, 411, 693, 959, 1233, 1507, 2621, 2877, 4521, 7863, 8631, 10549, 13563, 18347, 23589, 28831, 31647, 55041, 86493, 94941, 165123, 201817, 259479, 359077, 605451, 1077231, 1816353, 2513539, 3231693, 3949847, 7540617, 11849541, 22621851, 27648929, 35548623, 82946787, 248840361]

約数ペア:

[(1, 248840361), (3, 82946787), (7, 35548623), (9, 27648929), (11, 22621851), (21, 11849541), (33, 7540617), (63, 3949847), (77, 3231693), (99, 2513539), (137, 1816353), (231, 1077231), (411, 605451), (693, 359077), (959, 259479), (1233, 201817), (1507, 165123), (2621, 94941), (2877, 86493), (4521, 55041), (7863, 31647), (8631, 28831), (10549, 23589), (13563, 18347)]