251036854719

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1\times {\mathrm{337907}}^1$

素因数の和:340015

約数の個数: 32

約数和(自身を含む): 405230086656

約数和(自身を除く): 154193231937

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2081, 6243, 14567, 35377, 43701, 106131, 247639, 337907, 742917, 1013721, 2365349, 5744419, 7096047, 17233257, 40210933, 120632799, 703184467, 2109553401, 4922291269, 11954135939, 14766873807, 35862407817, 83678951573, 251036854719]

約数ペア:

[(1, 251036854719), (3, 83678951573), (7, 35862407817), (17, 14766873807), (21, 11954135939), (51, 4922291269), (119, 2109553401), (357, 703184467), (2081, 120632799), (6243, 40210933), (14567, 17233257), (35377, 7096047), (43701, 5744419), (106131, 2365349), (247639, 1013721), (337907, 742917)]