1891989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 3088800

約数和(自身を除く): 1196811

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 659, 957, 1977, 2871, 5931, 7249, 19111, 21747, 57333, 65241, 171999, 210221, 630663, 1891989]

約数ペア:

[(1, 1891989), (3, 630663), (9, 210221), (11, 171999), (29, 65241), (33, 57333), (87, 21747), (99, 19111), (261, 7249), (319, 5931), (659, 2871), (957, 1977)]