290400231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2437}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 443755008

約数和(自身を除く): 153354777

約数列:

[1, 3, 11, 23, 33, 69, 157, 253, 471, 759, 1727, 2437, 3611, 5181, 7311, 10833, 26807, 39721, 56051, 80421, 119163, 168153, 382609, 616561, 1147827, 1849683, 4208699, 8800007, 12626097, 26400021, 96800077, 290400231]

約数ペア:

[(1, 290400231), (3, 96800077), (11, 26400021), (23, 12626097), (33, 8800007), (69, 4208699), (157, 1849683), (253, 1147827), (471, 616561), (759, 382609), (1727, 168153), (2437, 119163), (3611, 80421), (5181, 56051), (7311, 39721), (10833, 26807)]