81399213

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{76003}}^1$

素因数の和:76033

約数の個数: 24

約数和(自身を含む): 142279488

約数和(自身を除く): 60880275

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 76003, 228009, 532021, 684027, 1292051, 1596063, 3876153, 4788189, 9044357, 11628459, 27133071, 81399213]

約数ペア:

[(1, 81399213), (3, 27133071), (7, 11628459), (9, 9044357), (17, 4788189), (21, 3876153), (51, 1596063), (63, 1292051), (119, 684027), (153, 532021), (357, 228009), (1071, 76003)]