99981

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^2$

素因数の和:62

約数の個数: 24

約数和(自身を含む): 176960

約数和(自身を除く): 76979

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 529, 621, 1449, 1587, 3703, 4347, 4761, 11109, 14283, 33327, 99981]

約数ペア:

[(1, 99981), (3, 33327), (7, 14283), (9, 11109), (21, 4761), (23, 4347), (27, 3703), (63, 1587), (69, 1449), (161, 621), (189, 529), (207, 483)]