68640453

素因数分解:

$3^6\times 7^1\times {\mathrm{13451}}^1$

素因数の和:13476

約数の個数: 28

約数和(自身を含む): 117624288

約数和(自身を除く): 48983835

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 13451, 40353, 94157, 121059, 282471, 363177, 847413, 1089531, 2542239, 3268593, 7626717, 9805779, 22880151, 68640453]

約数ペア:

[(1, 68640453), (3, 22880151), (7, 9805779), (9, 7626717), (21, 3268593), (27, 2542239), (63, 1089531), (81, 847413), (189, 363177), (243, 282471), (567, 121059), (729, 94157), (1701, 40353), (5103, 13451)]