64990647

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{4729}}^1$

素因数の和:5247

約数の個数: 16

約数和(自身を含む): 96492000

約数和(自身を除く): 31501353

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 4729, 13743, 14187, 42561, 127683, 2407061, 7221183, 21663549, 64990647]

約数ペア:

[(1, 64990647), (3, 21663549), (9, 7221183), (27, 2407061), (509, 127683), (1527, 42561), (4581, 14187), (4729, 13743)]