1208901957

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{21347}}^1$

素因数の和:21832

約数の個数: 16

約数和(自身を含む): 1653189120

約数和(自身を除く): 444287163

約数列:

[1, 3, 43, 129, 439, 1317, 18877, 21347, 56631, 64041, 917921, 2753763, 9371333, 28113999, 402967319, 1208901957]

約数ペア:

[(1, 1208901957), (3, 402967319), (43, 28113999), (129, 9371333), (439, 2753763), (1317, 917921), (18877, 64041), (21347, 56631)]