15855717

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 22544704

約数和(自身を除く): 6688987

約数列:

[1, 3, 23, 69, 97, 103, 291, 309, 529, 1587, 2231, 2369, 6693, 7107, 9991, 29973, 51313, 54487, 153939, 163461, 229793, 689379, 5285239, 15855717]

約数ペア:

[(1, 15855717), (3, 5285239), (23, 689379), (69, 229793), (97, 163461), (103, 153939), (291, 54487), (309, 51313), (529, 29973), (1587, 9991), (2231, 7107), (2369, 6693)]