78235017

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{12377}}^1$

素因数の和:12437

約数の個数: 24

約数和(自身を含む): 124176096

約数和(自身を除く): 45941079

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 12377, 37131, 86639, 259917, 532211, 606473, 1596633, 1819419, 3725477, 11176431, 26078339, 78235017]

約数ペア:

[(1, 78235017), (3, 26078339), (7, 11176431), (21, 3725477), (43, 1819419), (49, 1596633), (129, 606473), (147, 532211), (301, 259917), (903, 86639), (2107, 37131), (6321, 12377)]