207972237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{953}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 321459840

約数和(自身を除く): 113487603

約数列:

[1, 3, 11, 17, 33, 51, 187, 389, 561, 953, 1167, 2859, 4279, 6613, 10483, 12837, 16201, 19839, 31449, 48603, 72743, 178211, 218229, 370717, 534633, 1112151, 4077887, 6302189, 12233661, 18906567, 69324079, 207972237]

約数ペア:

[(1, 207972237), (3, 69324079), (11, 18906567), (17, 12233661), (33, 6302189), (51, 4077887), (187, 1112151), (389, 534633), (561, 370717), (953, 218229), (1167, 178211), (2859, 72743), (4279, 48603), (6613, 31449), (10483, 19839), (12837, 16201)]