1219940955

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{69691}}^1$

素因数の和:70091

約数の個数: 24

約数和(自身を含む): 2120030640

約数和(自身を除く): 900089685

約数列:

[1, 3, 5, 9, 15, 45, 389, 1167, 1945, 3501, 5835, 17505, 69691, 209073, 348455, 627219, 1045365, 3136095, 27109799, 81329397, 135548995, 243988191, 406646985, 1219940955]

約数ペア:

[(1, 1219940955), (3, 406646985), (5, 243988191), (9, 135548995), (15, 81329397), (45, 27109799), (389, 3136095), (1167, 1045365), (1945, 627219), (3501, 348455), (5835, 209073), (17505, 69691)]