64988109

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{15331}}^1$

素因数の和:15497

約数の個数: 16

約数和(自身を含む): 96898240

約数和(自身を除く): 31910131

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 15331, 45993, 137979, 413937, 2406967, 7220901, 21662703, 64988109]

約数ペア:

[(1, 64988109), (3, 21662703), (9, 7220901), (27, 2406967), (157, 413937), (471, 137979), (1413, 45993), (4239, 15331)]