40070457

素因数分解:

$3^5\times 7^1\times {\mathrm{23557}}^1$

素因数の和:23579

約数の個数: 24

約数和(自身を含む): 68600896

約数和(自身を除く): 28530439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 23557, 70671, 164899, 212013, 494697, 636039, 1484091, 1908117, 4452273, 5724351, 13356819, 40070457]

約数ペア:

[(1, 40070457), (3, 13356819), (7, 5724351), (9, 4452273), (21, 1908117), (27, 1484091), (63, 636039), (81, 494697), (189, 212013), (243, 164899), (567, 70671), (1701, 23557)]