138460805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{172001}}^1$

素因数の和:172036

約数の個数: 16

約数和(自身を含む): 198146304

約数和(自身を除く): 59685499

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 172001, 860005, 1204007, 3956023, 6020035, 19780115, 27692161, 138460805]

約数ペア:

[(1, 138460805), (5, 27692161), (7, 19780115), (23, 6020035), (35, 3956023), (115, 1204007), (161, 860005), (805, 172001)]