77809641

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 128179968

約数和(自身を除く): 50370327

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 421, 677, 1263, 2031, 2947, 4739, 5473, 8801, 8841, 14217, 16419, 26403, 38311, 61607, 114933, 184821, 285017, 855051, 1995119, 3705221, 5985357, 11115663, 25936547, 77809641]

約数ペア:

[(1, 77809641), (3, 25936547), (7, 11115663), (13, 5985357), (21, 3705221), (39, 1995119), (91, 855051), (273, 285017), (421, 184821), (677, 114933), (1263, 61607), (2031, 38311), (2947, 26403), (4739, 16419), (5473, 14217), (8801, 8841)]