247940115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4409}}^1$

素因数の和:4603

約数の個数: 32

約数和(自身を含む): 416586240

約数和(自身を除く): 168646125

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 345, 489, 815, 2445, 3749, 4409, 11247, 13227, 18745, 22045, 56235, 66135, 101407, 304221, 507035, 718667, 1521105, 2156001, 3593335, 10780005, 16529341, 49588023, 82646705, 247940115]

約数ペア:

[(1, 247940115), (3, 82646705), (5, 49588023), (15, 16529341), (23, 10780005), (69, 3593335), (115, 2156001), (163, 1521105), (345, 718667), (489, 507035), (815, 304221), (2445, 101407), (3749, 66135), (4409, 56235), (11247, 22045), (13227, 18745)]