77440209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2447}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 129724416

約数和(自身を除く): 52284207

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2447, 2877, 4521, 7341, 10549, 17129, 26917, 31647, 51387, 80751, 188419, 335239, 565257, 1005717, 2346673, 3687629, 7040019, 11062887, 25813403, 77440209]

約数ペア:

[(1, 77440209), (3, 25813403), (7, 11062887), (11, 7040019), (21, 3687629), (33, 2346673), (77, 1005717), (137, 565257), (231, 335239), (411, 188419), (959, 80751), (1507, 51387), (2447, 31647), (2877, 26917), (4521, 17129), (7341, 10549)]