138961599

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{15497}}^1$

素因数の和:15575

約数の個数: 24

約数和(自身を含む): 219079728

約数和(自身を除く): 80118129

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 15497, 46491, 108479, 325437, 759353, 945317, 2278059, 2835951, 6617219, 19851657, 46320533, 138961599]

約数ペア:

[(1, 138961599), (3, 46320533), (7, 19851657), (21, 6617219), (49, 2835951), (61, 2278059), (147, 945317), (183, 759353), (427, 325437), (1281, 108479), (2989, 46491), (8967, 15497)]