64247589

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9901}}^1$

素因数の和:10017

約数の個数: 24

約数和(自身を含む): 107100032

約数和(自身を除く): 42852443

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 9901, 29703, 69307, 89109, 207921, 623763, 1019803, 3059409, 7138621, 9178227, 21415863, 64247589]

約数ペア:

[(1, 64247589), (3, 21415863), (7, 9178227), (9, 7138621), (21, 3059409), (63, 1019803), (103, 623763), (309, 207921), (721, 89109), (927, 69307), (2163, 29703), (6489, 9901)]