217327299

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{64279}}^1$

素因数の和:64319

約数の個数: 24

約数和(自身を含む): 351740160

約数和(自身を除く): 134412861

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 64279, 192837, 449953, 1349859, 1478417, 3149671, 4435251, 9449013, 10348919, 31046757, 72442433, 217327299]

約数ペア:

[(1, 217327299), (3, 72442433), (7, 31046757), (21, 10348919), (23, 9449013), (49, 4435251), (69, 3149671), (147, 1478417), (161, 1349859), (483, 449953), (1127, 192837), (3381, 64279)]