219986559

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{81749}}^1$

素因数の和:81791

約数の個数: 24

約数和(自身を含む): 357084000

約数和(自身を除く): 137097441

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 81749, 245247, 735741, 1062737, 1880227, 3188211, 5640681, 9564633, 16922043, 24442951, 73328853, 219986559]

約数ペア:

[(1, 219986559), (3, 73328853), (9, 24442951), (13, 16922043), (23, 9564633), (39, 5640681), (69, 3188211), (117, 1880227), (207, 1062737), (299, 735741), (897, 245247), (2691, 81749)]