80780217

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{9137}}^1$

素因数の和:9568

約数の個数: 16

約数和(自身を含む): 123399552

約数和(自身を除く): 42619335

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 9137, 27411, 63959, 191877, 3846677, 11540031, 26926739, 80780217]

約数ペア:

[(1, 80780217), (3, 26926739), (7, 11540031), (21, 3846677), (421, 191877), (1263, 63959), (2947, 27411), (8841, 9137)]