87572919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 141568000

約数和(自身を除く): 53995081

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 1579, 2641, 2919, 4737, 7923, 11053, 18487, 30001, 33159, 55461, 90003, 210007, 219481, 630021, 658443, 1536367, 4170139, 4609101, 12510417, 29190973, 87572919]

約数ペア:

[(1, 87572919), (3, 29190973), (7, 12510417), (19, 4609101), (21, 4170139), (57, 1536367), (133, 658443), (139, 630021), (399, 219481), (417, 210007), (973, 90003), (1579, 55461), (2641, 33159), (2919, 30001), (4737, 18487), (7923, 11053)]