2755215

素因数分解:

$3^4\times 5^1\times {\mathrm{6803}}^1$

素因数の和:6820

約数の個数: 20

約数和(自身を含む): 4939704

約数和(自身を除く): 2184489

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6803, 20409, 34015, 61227, 102045, 183681, 306135, 551043, 918405, 2755215]

約数ペア:

[(1, 2755215), (3, 918405), (5, 551043), (9, 306135), (15, 183681), (27, 102045), (45, 61227), (81, 34015), (135, 20409), (405, 6803)]