3815721

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 6961920

約数和(自身を除く): 3146199

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 1553, 2457, 4659, 10871, 13977, 20189, 32613, 41931, 60567, 97839, 141323, 181701, 293517, 423969, 545103, 1271907, 3815721]

約数ペア:

[(1, 3815721), (3, 1271907), (7, 545103), (9, 423969), (13, 293517), (21, 181701), (27, 141323), (39, 97839), (63, 60567), (91, 41931), (117, 32613), (189, 20189), (273, 13977), (351, 10871), (819, 4659), (1553, 2457)]