279319245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4967}}^1$

素因数の和:5161

約数の個数: 32

約数和(自身を含む): 469297152

約数和(自身を除く): 189977907

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 345, 489, 815, 2445, 3749, 4967, 11247, 14901, 18745, 24835, 56235, 74505, 114241, 342723, 571205, 809621, 1713615, 2428863, 4048105, 12144315, 18621283, 55863849, 93106415, 279319245]

約数ペア:

[(1, 279319245), (3, 93106415), (5, 55863849), (15, 18621283), (23, 12144315), (69, 4048105), (115, 2428863), (163, 1713615), (345, 809621), (489, 571205), (815, 342723), (2445, 114241), (3749, 74505), (4967, 56235), (11247, 24835), (14901, 18745)]