30072819

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1373}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 46990800

約数和(自身を除く): 16917981

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 1373, 3129, 4119, 7301, 9611, 21903, 28833, 67277, 201831, 204577, 613731, 1432039, 4296117, 10024273, 30072819]

約数ペア:

[(1, 30072819), (3, 10024273), (7, 4296117), (21, 1432039), (49, 613731), (147, 204577), (149, 201831), (447, 67277), (1043, 28833), (1373, 21903), (3129, 9611), (4119, 7301)]