418947981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 589824000

約数和(自身を除く): 170876019

約数列:

[1, 3, 31, 79, 93, 127, 237, 381, 449, 1347, 2449, 3937, 7347, 10033, 11811, 13919, 30099, 35471, 41757, 57023, 106413, 171069, 311023, 933069, 1099601, 1767713, 3298803, 4504817, 5303139, 13514451, 139649327, 418947981]

約数ペア:

[(1, 418947981), (3, 139649327), (31, 13514451), (79, 5303139), (93, 4504817), (127, 3298803), (237, 1767713), (381, 1099601), (449, 933069), (1347, 311023), (2449, 171069), (3937, 106413), (7347, 57023), (10033, 41757), (11811, 35471), (13919, 30099)]