81980241

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 129150720

約数和(自身を除く): 47170479

約数列:

[1, 3, 7, 21, 53, 73, 159, 219, 371, 511, 1009, 1113, 1533, 3027, 3869, 7063, 11607, 21189, 27083, 53477, 73657, 81249, 160431, 220971, 374339, 515599, 1123017, 1546797, 3903821, 11711463, 27326747, 81980241]

約数ペア:

[(1, 81980241), (3, 27326747), (7, 11711463), (21, 3903821), (53, 1546797), (73, 1123017), (159, 515599), (219, 374339), (371, 220971), (511, 160431), (1009, 81249), (1113, 73657), (1533, 53477), (3027, 27083), (3869, 21189), (7063, 11607)]