1245479991

素因数分解:

$3^1\times 7^3\times {\mathrm{1210379}}^1$

素因数の和:1210403

約数の個数: 16

約数和(自身を含む): 1936608000

約数和(自身を除く): 691128009

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1210379, 3631137, 8472653, 25417959, 59308571, 177925713, 415159997, 1245479991]

約数ペア:

[(1, 1245479991), (3, 415159997), (7, 177925713), (21, 59308571), (49, 25417959), (147, 8472653), (343, 3631137), (1029, 1210379)]