2651567805

素因数分解:

$3^4\times 5^1\times {\mathrm{6547081}}^1$

素因数の和:6547098

約数の個数: 20

約数和(自身を含む): 4753181532

約数和(自身を除く): 2101613727

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6547081, 19641243, 32735405, 58923729, 98206215, 176771187, 294618645, 530313561, 883855935, 2651567805]

約数ペア:

[(1, 2651567805), (3, 883855935), (5, 530313561), (9, 294618645), (15, 176771187), (27, 98206215), (45, 58923729), (81, 32735405), (135, 19641243), (405, 6547081)]