1288200879

素因数分解:

$3^2\times 7^1\times {\mathrm{977}}^1\times {\mathrm{20929}}^1$

素因数の和:21919

約数の個数: 24

約数和(自身を含む): 2128832160

約数和(自身を除く): 840631281

約数列:

[1, 3, 7, 9, 21, 63, 977, 2931, 6839, 8793, 20517, 20929, 61551, 62787, 146503, 188361, 439509, 1318527, 20447633, 61342899, 143133431, 184028697, 429400293, 1288200879]

約数ペア:

[(1, 1288200879), (3, 429400293), (7, 184028697), (9, 143133431), (21, 61342899), (63, 20447633), (977, 1318527), (2931, 439509), (6839, 188361), (8793, 146503), (20517, 62787), (20929, 61551)]