72170021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40751}}^1$

素因数の和:40792

約数の個数: 16

約数和(自身を含む): 93892608

約数和(自身を除く): 21722587

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 40751, 285257, 448261, 937273, 3137827, 6560911, 10310003, 72170021]

約数ペア:

[(1, 72170021), (7, 10310003), (11, 6560911), (23, 3137827), (77, 937273), (161, 448261), (253, 285257), (1771, 40751)]