138889203

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 198941184

約数和(自身を除く): 60051981

約数列:

[1, 3, 23, 53, 69, 159, 163, 233, 489, 699, 1219, 3657, 3749, 5359, 8639, 11247, 12349, 16077, 25917, 37047, 37979, 113937, 198697, 284027, 596091, 852081, 873517, 2012887, 2620551, 6038661, 46296401, 138889203]

約数ペア:

[(1, 138889203), (3, 46296401), (23, 6038661), (53, 2620551), (69, 2012887), (159, 873517), (163, 852081), (233, 596091), (489, 284027), (699, 198697), (1219, 113937), (3657, 37979), (3749, 37047), (5359, 25917), (8639, 16077), (11247, 12349)]