2021691231

素因数分解:

$3^7\times 7^1\times {\mathrm{132059}}^1$

素因数の和:132087

約数の個数: 32

約数和(自身を含む): 3465254400

約数和(自身を除く): 1443563169

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 15309, 132059, 396177, 924413, 1188531, 2773239, 3565593, 8319717, 10696779, 24959151, 32090337, 74877453, 96271011, 224632359, 288813033, 673897077, 2021691231]

約数ペア:

[(1, 2021691231), (3, 673897077), (7, 288813033), (9, 224632359), (21, 96271011), (27, 74877453), (63, 32090337), (81, 24959151), (189, 10696779), (243, 8319717), (567, 3565593), (729, 2773239), (1701, 1188531), (2187, 924413), (5103, 396177), (15309, 132059)]