26620245

素因数分解:

$3^4\times 5^1\times {\mathrm{65729}}^1$

素因数の和:65746

約数の個数: 20

約数和(自身を含む): 47719980

約数和(自身を除く): 21099735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 65729, 197187, 328645, 591561, 985935, 1774683, 2957805, 5324049, 8873415, 26620245]

約数ペア:

[(1, 26620245), (3, 8873415), (5, 5324049), (9, 2957805), (15, 1774683), (27, 985935), (45, 591561), (81, 328645), (135, 197187), (405, 65729)]