219740913

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{11003}}^1$

素因数の和:11333

約数の個数: 24

約数和(自身を含む): 363924288

約数和(自身を除く): 144183375

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 6657, 11003, 19971, 33009, 77021, 99027, 231063, 693189, 3487951, 10463853, 24415657, 31391559, 73246971, 219740913]

約数ペア:

[(1, 219740913), (3, 73246971), (7, 31391559), (9, 24415657), (21, 10463853), (63, 3487951), (317, 693189), (951, 231063), (2219, 99027), (2853, 77021), (6657, 33009), (11003, 19971)]