128515863

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4675

約数の個数: 32

約数和(自身を含む): 206897152

約数和(自身を除く): 78381289

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 4591, 9331, 13773, 27993, 32137, 96411, 142321, 197413, 426963, 592239, 996247, 1381891, 2988741, 4145673, 6119803, 18359409, 42838621, 128515863]

約数ペア:

[(1, 128515863), (3, 42838621), (7, 18359409), (21, 6119803), (31, 4145673), (43, 2988741), (93, 1381891), (129, 996247), (217, 592239), (301, 426963), (651, 197413), (903, 142321), (1333, 96411), (3999, 32137), (4591, 27993), (9331, 13773)]