207940815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{200909}}^1$

素因数の和:200943

約数の個数: 24

約数和(自身を含む): 376103520

約数和(自身を除く): 168162705

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 200909, 602727, 1004545, 1808181, 3013635, 4620907, 9040905, 13862721, 23104535, 41588163, 69313605, 207940815]

約数ペア:

[(1, 207940815), (3, 69313605), (5, 41588163), (9, 23104535), (15, 13862721), (23, 9040905), (45, 4620907), (69, 3013635), (115, 1808181), (207, 1004545), (345, 602727), (1035, 200909)]