16471647

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 25325760

約数和(自身を除く): 8854113

約数列:

[1, 3, 9, 27, 61, 73, 137, 183, 219, 411, 549, 657, 1233, 1647, 1971, 3699, 4453, 8357, 10001, 13359, 25071, 30003, 40077, 75213, 90009, 120231, 225639, 270027, 610061, 1830183, 5490549, 16471647]

約数ペア:

[(1, 16471647), (3, 5490549), (9, 1830183), (27, 610061), (61, 270027), (73, 225639), (137, 120231), (183, 90009), (219, 75213), (411, 40077), (549, 30003), (657, 25071), (1233, 13359), (1647, 10001), (1971, 8357), (3699, 4453)]