28918113

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 45674496

約数和(自身を除く): 16756383

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 329, 353, 581, 987, 1059, 1743, 2471, 3901, 7413, 11703, 16591, 27307, 29299, 49773, 81921, 87897, 116137, 205093, 348411, 615279, 1377053, 4131159, 9639371, 28918113]

約数ペア:

[(1, 28918113), (3, 9639371), (7, 4131159), (21, 1377053), (47, 615279), (83, 348411), (141, 205093), (249, 116137), (329, 87897), (353, 81921), (581, 49773), (987, 29299), (1059, 27307), (1743, 16591), (2471, 11703), (3901, 7413)]