71891997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 106831872

約数和(自身を除く): 34939875

約数列:

[1, 3, 17, 23, 51, 69, 167, 367, 391, 501, 1101, 1173, 2839, 3841, 6239, 8441, 8517, 11523, 18717, 25323, 61289, 65297, 143497, 183867, 195891, 430491, 1041913, 1409647, 3125739, 4228941, 23963999, 71891997]

約数ペア:

[(1, 71891997), (3, 23963999), (17, 4228941), (23, 3125739), (51, 1409647), (69, 1041913), (167, 430491), (367, 195891), (391, 183867), (501, 143497), (1101, 65297), (1173, 61289), (2839, 25323), (3841, 18717), (6239, 11523), (8441, 8517)]