390985845

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1811}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 644492160

約数和(自身を除く): 253506315

約数列:

[1, 3, 5, 15, 37, 111, 185, 389, 555, 1167, 1811, 1945, 5433, 5835, 9055, 14393, 27165, 43179, 67007, 71965, 201021, 215895, 335035, 704479, 1005105, 2113437, 3522395, 10567185, 26065723, 78197169, 130328615, 390985845]

約数ペア:

[(1, 390985845), (3, 130328615), (5, 78197169), (15, 26065723), (37, 10567185), (111, 3522395), (185, 2113437), (389, 1005105), (555, 704479), (1167, 335035), (1811, 215895), (1945, 201021), (5433, 71965), (5835, 67007), (9055, 43179), (14393, 27165)]