221961645

素因数分解:

$3^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{5879}}^1$

素因数の和:6729

約数の個数: 24

約数和(自身を含む): 385257600

約数和(自身を除く): 163295955

約数列:

[1, 3, 5, 9, 15, 45, 839, 2517, 4195, 5879, 7551, 12585, 17637, 29395, 37755, 52911, 88185, 264555, 4932481, 14797443, 24662405, 44392329, 73987215, 221961645]

約数ペア:

[(1, 221961645), (3, 73987215), (5, 44392329), (9, 24662405), (15, 14797443), (45, 4932481), (839, 264555), (2517, 88185), (4195, 52911), (5879, 37755), (7551, 29395), (12585, 17637)]