2018071713

素因数分解:

$3^1\times 7^4\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1091

約数の個数: 40

約数和(自身を含む): 3150923328

約数和(自身を除く): 1132851615

約数列:

[1, 3, 7, 21, 49, 147, 343, 503, 557, 1029, 1509, 1671, 2401, 3521, 3899, 7203, 10563, 11697, 24647, 27293, 73941, 81879, 172529, 191051, 280171, 517587, 573153, 840513, 1207703, 1337357, 1961197, 3623109, 4012071, 5883591, 13728379, 41185137, 96098653, 288295959, 672690571, 2018071713]

約数ペア:

[(1, 2018071713), (3, 672690571), (7, 288295959), (21, 96098653), (49, 41185137), (147, 13728379), (343, 5883591), (503, 4012071), (557, 3623109), (1029, 1961197), (1509, 1337357), (1671, 1207703), (2401, 840513), (3521, 573153), (3899, 517587), (7203, 280171), (10563, 191051), (11697, 172529), (24647, 81879), (27293, 73941)]