90874215

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15901}}^1$

素因数の和:16039

約数の個数: 24

約数和(自身を含む): 158765568

約数和(自身を除く): 67891353

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 15901, 47703, 79505, 143109, 238515, 715545, 2019427, 6058281, 10097135, 18174843, 30291405, 90874215]

約数ペア:

[(1, 90874215), (3, 30291405), (5, 18174843), (9, 10097135), (15, 6058281), (45, 2019427), (127, 715545), (381, 238515), (635, 143109), (1143, 79505), (1905, 47703), (5715, 15901)]