397719693

素因数分解:

$3^3\times 7^1\times {\mathrm{2104337}}^1$

素因数の和:2104353

約数の個数: 16

約数和(自身を含む): 673388160

約数和(自身を除く): 275668467

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2104337, 6313011, 14730359, 18939033, 44191077, 56817099, 132573231, 397719693]

約数ペア:

[(1, 397719693), (3, 132573231), (7, 56817099), (9, 44191077), (21, 18939033), (27, 14730359), (63, 6313011), (189, 2104337)]