11821145

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 16688832

約数和(自身を除く): 4867687

約数列:

[1, 5, 7, 35, 67, 71, 335, 355, 469, 497, 2345, 2485, 4757, 5041, 23785, 25205, 33299, 35287, 166495, 176435, 337747, 1688735, 2364229, 11821145]

約数ペア:

[(1, 11821145), (5, 2364229), (7, 1688735), (35, 337747), (67, 176435), (71, 166495), (335, 35287), (355, 33299), (469, 25205), (497, 23785), (2345, 5041), (2485, 4757)]