131022771

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 197984256

約数和(自身を除く): 66961485

約数列:

[1, 3, 11, 31, 33, 93, 211, 341, 607, 633, 1023, 1821, 2321, 6541, 6677, 6963, 18817, 19623, 20031, 56451, 71951, 128077, 206987, 215853, 384231, 620961, 1408847, 3970387, 4226541, 11911161, 43674257, 131022771]

約数ペア:

[(1, 131022771), (3, 43674257), (11, 11911161), (31, 4226541), (33, 3970387), (93, 1408847), (211, 620961), (341, 384231), (607, 215853), (633, 206987), (1023, 128077), (1821, 71951), (2321, 56451), (6541, 20031), (6677, 19623), (6963, 18817)]