31122873

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{2221}}^1$

素因数の和:2406

約数の個数: 20

約数和(自身を含む): 46781988

約数和(自身を除く): 15659115

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 2221, 4671, 6663, 14013, 19989, 59967, 179901, 384233, 1152699, 3458097, 10374291, 31122873]

約数ペア:

[(1, 31122873), (3, 10374291), (9, 3458097), (27, 1152699), (81, 384233), (173, 179901), (519, 59967), (1557, 19989), (2221, 14013), (4671, 6663)]