87676197

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 137416704

約数和(自身を除く): 49740507

約数列:

[1, 3, 7, 21, 47, 141, 211, 329, 421, 633, 987, 1263, 1477, 2947, 4431, 8841, 9917, 19787, 29751, 59361, 69419, 88831, 138509, 208257, 266493, 415527, 621817, 1865451, 4175057, 12525171, 29225399, 87676197]

約数ペア:

[(1, 87676197), (3, 29225399), (7, 12525171), (21, 4175057), (47, 1865451), (141, 621817), (211, 415527), (329, 266493), (421, 208257), (633, 138509), (987, 88831), (1263, 69419), (1477, 59361), (2947, 29751), (4431, 19787), (8841, 9917)]