207877943

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{1931}}^1$

素因数の和:1984

約数の個数: 24

約数和(自身を含む): 262095120

約数和(自身を除く): 54217177

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 1931, 2197, 8281, 13517, 15379, 25103, 94619, 107653, 175721, 326339, 1230047, 2284373, 4242407, 15990611, 29696849, 207877943]

約数ペア:

[(1, 207877943), (7, 29696849), (13, 15990611), (49, 4242407), (91, 2284373), (169, 1230047), (637, 326339), (1183, 175721), (1931, 107653), (2197, 94619), (8281, 25103), (13517, 15379)]