39905397

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13477}}^1$

素因数の和:13537

約数の個数: 24

約数和(自身を含む): 67282176

約数和(自身を除く): 27376779

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 13477, 40431, 94339, 121293, 283017, 633419, 849051, 1900257, 4433933, 5700771, 13301799, 39905397]

約数ペア:

[(1, 39905397), (3, 13301799), (7, 5700771), (9, 4433933), (21, 1900257), (47, 849051), (63, 633419), (141, 283017), (329, 121293), (423, 94339), (987, 40431), (2961, 13477)]