720049986

素因数分解:

$2^1\times 3^4\times {\mathrm{4444753}}^1$

素因数の和:4444767

約数の個数: 20

約数和(自身を含む): 1613445702

約数和(自身を除く): 893395716

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4444753, 8889506, 13334259, 26668518, 40002777, 80005554, 120008331, 240016662, 360024993, 720049986]

約数ペア:

[(1, 720049986), (2, 360024993), (3, 240016662), (6, 120008331), (9, 80005554), (18, 40002777), (27, 26668518), (54, 13334259), (81, 8889506), (162, 4444753)]