213984909

素因数分解:

$3^4\times {\mathrm{31}}^2\times {\mathrm{2749}}^1$

素因数の和:2823

約数の個数: 30

約数和(自身を含む): 330420750

約数和(自身を除く): 116435841

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 961, 2511, 2749, 2883, 8247, 8649, 24741, 25947, 74223, 77841, 85219, 222669, 255657, 766971, 2300913, 2641789, 6902739, 7925367, 23776101, 71328303, 213984909]

約数ペア:

[(1, 213984909), (3, 71328303), (9, 23776101), (27, 7925367), (31, 6902739), (81, 2641789), (93, 2300913), (279, 766971), (837, 255657), (961, 222669), (2511, 85219), (2749, 77841), (2883, 74223), (8247, 25947), (8649, 24741)]