31159221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 45696000

約数和(自身を除く): 14536779

約数列:

[1, 3, 19, 41, 57, 67, 123, 199, 201, 597, 779, 1273, 2337, 2747, 3781, 3819, 8159, 8241, 11343, 13333, 24477, 39999, 52193, 155021, 156579, 253327, 465063, 546653, 759981, 1639959, 10386407, 31159221]

約数ペア:

[(1, 31159221), (3, 10386407), (19, 1639959), (41, 759981), (57, 546653), (67, 465063), (123, 253327), (199, 156579), (201, 155021), (597, 52193), (779, 39999), (1273, 24477), (2337, 13333), (2747, 11343), (3781, 8241), (3819, 8159)]