64072321839

素因数分解:

$3^4\times {\mathrm{4951}}^1\times {\mathrm{159769}}^1$

素因数の和:164732

約数の個数: 20

約数和(自身を含む): 95732905840

約数和(自身を除く): 31660584001

約数列:

[1, 3, 9, 27, 81, 4951, 14853, 44559, 133677, 159769, 401031, 479307, 1437921, 4313763, 12941289, 791016319, 2373048957, 7119146871, 21357440613, 64072321839]

約数ペア:

[(1, 64072321839), (3, 21357440613), (9, 7119146871), (27, 2373048957), (81, 791016319), (4951, 12941289), (14853, 4313763), (44559, 1437921), (133677, 479307), (159769, 401031)]