31186771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21317}}^1$

素因数の和:21354

約数の個数: 16

約数和(自身を含む): 40930560

約数和(自身を除く): 9743789

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21317, 149219, 234487, 405023, 1641409, 2835161, 4455253, 31186771]

約数ペア:

[(1, 31186771), (7, 4455253), (11, 2835161), (19, 1641409), (77, 405023), (133, 234487), (209, 149219), (1463, 21317)]