1296268515

素因数分解:

$3^4\times 5^1\times {\mathrm{3200663}}^1$

素因数の和:3200680

約数の個数: 20

約数和(自身を含む): 2323682064

約数和(自身を除く): 1027413549

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3200663, 9601989, 16003315, 28805967, 48009945, 86417901, 144029835, 259253703, 432089505, 1296268515]

約数ペア:

[(1, 1296268515), (3, 432089505), (5, 259253703), (9, 144029835), (15, 86417901), (27, 48009945), (45, 28805967), (81, 16003315), (135, 9601989), (405, 3200663)]