27807775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 36319104

約数和(自身を除く): 8511329

約数列:

[1, 5, 25, 31, 53, 155, 265, 677, 775, 1325, 1643, 3385, 8215, 16925, 20987, 35881, 41075, 104935, 179405, 524675, 897025, 1112311, 5561555, 27807775]

約数ペア:

[(1, 27807775), (5, 5561555), (25, 1112311), (31, 897025), (53, 524675), (155, 179405), (265, 104935), (677, 41075), (775, 35881), (1325, 20987), (1643, 16925), (3385, 8215)]