71390991

素因数分解:

$3^1\times 7^3\times {\mathrm{69379}}^1$

素因数の和:69403

約数の個数: 16

約数和(自身を含む): 111008000

約数和(自身を除く): 39617009

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 69379, 208137, 485653, 1456959, 3399571, 10198713, 23796997, 71390991]

約数ペア:

[(1, 71390991), (3, 23796997), (7, 10198713), (21, 3399571), (49, 1456959), (147, 485653), (343, 208137), (1029, 69379)]