168705

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 307008

約数和(自身を除く): 138303

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 163, 207, 345, 489, 815, 1035, 1467, 2445, 3749, 7335, 11247, 18745, 33741, 56235, 168705]

約数ペア:

[(1, 168705), (3, 56235), (5, 33741), (9, 18745), (15, 11247), (23, 7335), (45, 3749), (69, 2445), (115, 1467), (163, 1035), (207, 815), (345, 489)]