291260541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{39937}}^1$

素因数の和:39981

約数の個数: 32

約数和(自身を含む): 483090048

約数和(自身を除く): 191829507

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 39937, 119811, 439307, 519181, 678929, 1317921, 1557543, 2036787, 5710991, 7468219, 8826077, 17132973, 22404657, 26478231, 97086847, 291260541]

約数ペア:

[(1, 291260541), (3, 97086847), (11, 26478231), (13, 22404657), (17, 17132973), (33, 8826077), (39, 7468219), (51, 5710991), (143, 2036787), (187, 1557543), (221, 1317921), (429, 678929), (561, 519181), (663, 439307), (2431, 119811), (7293, 39937)]