64615971

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 101601280

約数和(自身を除く): 36985309

約数列:

[1, 3, 7, 21, 43, 129, 163, 301, 439, 489, 903, 1141, 1317, 3073, 3423, 7009, 9219, 18877, 21027, 49063, 56631, 71557, 132139, 147189, 214671, 396417, 500899, 1502697, 3076951, 9230853, 21538657, 64615971]

約数ペア:

[(1, 64615971), (3, 21538657), (7, 9230853), (21, 3076951), (43, 1502697), (129, 500899), (163, 396417), (301, 214671), (439, 147189), (489, 132139), (903, 71557), (1141, 56631), (1317, 49063), (3073, 21027), (3423, 18877), (7009, 9219)]