30720393

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5087}}^1$

素因数の和:5165

約数の個数: 24

約数和(自身を含む): 49211136

約数和(自身を除く): 18490743

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 5087, 6039, 15261, 45783, 55957, 167871, 310307, 503613, 930921, 2792763, 3413377, 10240131, 30720393]

約数ペア:

[(1, 30720393), (3, 10240131), (9, 3413377), (11, 2792763), (33, 930921), (61, 503613), (99, 310307), (183, 167871), (549, 55957), (671, 45783), (2013, 15261), (5087, 6039)]