201982749

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 285548832

約数和(自身を除く): 83566083

約数列:

[1, 3, 19, 57, 361, 421, 443, 1083, 1263, 1329, 7999, 8417, 23997, 25251, 151981, 159923, 186503, 455943, 479769, 559509, 3543557, 10630671, 67327583, 201982749]

約数ペア:

[(1, 201982749), (3, 67327583), (19, 10630671), (57, 3543557), (361, 559509), (421, 479769), (443, 455943), (1083, 186503), (1263, 159923), (1329, 151981), (7999, 25251), (8417, 23997)]