291222315

素因数分解:

$3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{15823}}^1$

素因数の和:16243

約数の個数: 24

約数和(自身を含む): 506051520

約数和(自身を除く): 214829205

約数列:

[1, 3, 5, 9, 15, 45, 409, 1227, 2045, 3681, 6135, 15823, 18405, 47469, 79115, 142407, 237345, 712035, 6471607, 19414821, 32358035, 58244463, 97074105, 291222315]

約数ペア:

[(1, 291222315), (3, 97074105), (5, 58244463), (9, 32358035), (15, 19414821), (45, 6471607), (409, 712035), (1227, 237345), (2045, 142407), (3681, 79115), (6135, 47469), (15823, 18405)]