668889076959

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{434625781}}^1$

素因数の和:434625812

約数の個数: 20

約数和(自身を含む): 1051794392440

約数和(自身を除く): 382905315481

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 434625781, 1303877343, 3911632029, 8257889839, 11734896087, 24773669517, 35204688261, 74321008551, 222963025653, 668889076959]

約数ペア:

[(1, 668889076959), (3, 222963025653), (9, 74321008551), (19, 35204688261), (27, 24773669517), (57, 11734896087), (81, 8257889839), (171, 3911632029), (513, 1303877343), (1539, 434625781)]