66400257

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 110960640

約数和(自身を除く): 44560383

約数列:

[1, 3, 7, 11, 21, 33, 77, 223, 231, 669, 1289, 1561, 2453, 3867, 4683, 7359, 9023, 14179, 17171, 27069, 42537, 51513, 99253, 287447, 297759, 862341, 2012129, 3161917, 6036387, 9485751, 22133419, 66400257]

約数ペア:

[(1, 66400257), (3, 22133419), (7, 9485751), (11, 6036387), (21, 3161917), (33, 2012129), (77, 862341), (223, 297759), (231, 287447), (669, 99253), (1289, 51513), (1561, 42537), (2453, 27069), (3867, 17171), (4683, 14179), (7359, 9023)]