71064987

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 40909413

約数列:

[1, 3, 7, 21, 47, 89, 141, 267, 329, 623, 809, 987, 1869, 2427, 4183, 5663, 12549, 16989, 29281, 38023, 72001, 87843, 114069, 216003, 266161, 504007, 798483, 1512021, 3384047, 10152141, 23688329, 71064987]

約数ペア:

[(1, 71064987), (3, 23688329), (7, 10152141), (21, 3384047), (47, 1512021), (89, 798483), (141, 504007), (267, 266161), (329, 216003), (623, 114069), (809, 87843), (987, 72001), (1869, 38023), (2427, 29281), (4183, 16989), (5663, 12549)]