161844207

素因数分解:

$3^1\times 7^4\times {\mathrm{22469}}^1$

素因数の和:22500

約数の個数: 20

約数和(自身を含む): 251753880

約数和(自身を除く): 89909673

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 22469, 67407, 157283, 471849, 1100981, 3302943, 7706867, 23120601, 53948069, 161844207]

約数ペア:

[(1, 161844207), (3, 53948069), (7, 23120601), (21, 7706867), (49, 3302943), (147, 1100981), (343, 471849), (1029, 157283), (2401, 67407), (7203, 22469)]