9780815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 12894336

約数和(自身を除く): 3113521

約数列:

[1, 5, 11, 55, 163, 815, 1091, 1793, 5455, 8965, 12001, 60005, 177833, 889165, 1956163, 9780815]

約数ペア:

[(1, 9780815), (5, 1956163), (11, 889165), (55, 177833), (163, 60005), (815, 12001), (1091, 8965), (1793, 5455)]