2778705

素因数分解:

$3^5\times 5^1\times {\mathrm{2287}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 4996992

約数和(自身を除く): 2218287

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 2287, 6861, 11435, 20583, 34305, 61749, 102915, 185247, 308745, 555741, 926235, 2778705]

約数ペア:

[(1, 2778705), (3, 926235), (5, 555741), (9, 308745), (15, 185247), (27, 102915), (45, 61749), (81, 34305), (135, 20583), (243, 11435), (405, 6861), (1215, 2287)]