31329105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 53084160

約数和(自身を除く): 21755055

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1279, 1633, 3837, 4899, 6395, 8165, 19185, 24495, 29417, 88251, 90809, 147085, 272427, 441255, 454045, 1362135, 2088607, 6265821, 10443035, 31329105]

約数ペア:

[(1, 31329105), (3, 10443035), (5, 6265821), (15, 2088607), (23, 1362135), (69, 454045), (71, 441255), (115, 272427), (213, 147085), (345, 90809), (355, 88251), (1065, 29417), (1279, 24495), (1633, 19185), (3837, 8165), (4899, 6395)]