4015251

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2640

約数の個数: 20

約数和(自身を含む): 6316200

約数和(自身を除く): 2300949

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2609, 7827, 23481, 49571, 70443, 148713, 211329, 446139, 1338417, 4015251]

約数ペア:

[(1, 4015251), (3, 1338417), (9, 446139), (19, 211329), (27, 148713), (57, 70443), (81, 49571), (171, 23481), (513, 7827), (1539, 2609)]