220869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 366912

約数和(自身を除く): 146043

約数列:

[1, 3, 9, 11, 23, 33, 69, 97, 99, 207, 253, 291, 759, 873, 1067, 2231, 2277, 3201, 6693, 9603, 20079, 24541, 73623, 220869]

約数ペア:

[(1, 220869), (3, 73623), (9, 24541), (11, 20079), (23, 9603), (33, 6693), (69, 3201), (97, 2277), (99, 2231), (207, 1067), (253, 873), (291, 759)]