2109555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 4315584

約数和(自身を除く): 2206029

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 181, 185, 259, 315, 333, 543, 555, 777, 905, 1267, 1295, 1629, 1665, 2331, 2715, 3801, 3885, 6335, 6697, 8145, 11403, 11655, 19005, 20091, 33485, 46879, 57015, 60273, 100455, 140637, 234395, 301365, 421911, 703185, 2109555]

約数ペア:

[(1, 2109555), (3, 703185), (5, 421911), (7, 301365), (9, 234395), (15, 140637), (21, 100455), (35, 60273), (37, 57015), (45, 46879), (63, 33485), (105, 20091), (111, 19005), (181, 11655), (185, 11403), (259, 8145), (315, 6697), (333, 6335), (543, 3885), (555, 3801), (777, 2715), (905, 2331), (1267, 1665), (1295, 1629)]