42001011

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{39887}}^1$

素因数の和:39912

約数の個数: 20

約数和(自身を含む): 67570272

約数和(自身を除く): 25569261

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 39887, 119661, 358983, 518531, 1076949, 1555593, 3230847, 4666779, 14000337, 42001011]

約数ペア:

[(1, 42001011), (3, 14000337), (9, 4666779), (13, 3230847), (27, 1555593), (39, 1076949), (81, 518531), (117, 358983), (351, 119661), (1053, 39887)]