999978858

素因数分解:

$2^1\times 3^4\times {\mathrm{6172709}}^1$

素因数の和:6172723

約数の個数: 20

約数和(自身を含む): 2240693730

約数和(自身を除く): 1240714872

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 6172709, 12345418, 18518127, 37036254, 55554381, 111108762, 166663143, 333326286, 499989429, 999978858]

約数ペア:

[(1, 999978858), (2, 499989429), (3, 333326286), (6, 166663143), (9, 111108762), (18, 55554381), (27, 37036254), (54, 18518127), (81, 12345418), (162, 6172709)]