188391021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{853}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 309899520

約数和(自身を除く): 121508499

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 809, 853, 2427, 2559, 5663, 5971, 10517, 11089, 16989, 17913, 31551, 33267, 73619, 77623, 220857, 232869, 690077, 2070231, 4830539, 8971001, 14491617, 26913003, 62797007, 188391021]

約数ペア:

[(1, 188391021), (3, 62797007), (7, 26913003), (13, 14491617), (21, 8971001), (39, 4830539), (91, 2070231), (273, 690077), (809, 232869), (853, 220857), (2427, 77623), (2559, 73619), (5663, 33267), (5971, 31551), (10517, 17913), (11089, 16989)]