30447291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 49282560

約数和(自身を除く): 18835269

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 399, 411, 557, 959, 1671, 2603, 2877, 3899, 7809, 10583, 11697, 18221, 31749, 54663, 74081, 76309, 222243, 228927, 534163, 1449871, 1602489, 4349613, 10149097, 30447291]

約数ペア:

[(1, 30447291), (3, 10149097), (7, 4349613), (19, 1602489), (21, 1449871), (57, 534163), (133, 228927), (137, 222243), (399, 76309), (411, 74081), (557, 54663), (959, 31749), (1671, 18221), (2603, 11697), (2877, 10583), (3899, 7809)]