197403813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{2939}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 302702400

約数和(自身を除く): 105298587

約数列:

[1, 3, 9, 17, 51, 153, 439, 1317, 2939, 3951, 7463, 8817, 22389, 26451, 49963, 67167, 149889, 449667, 1290221, 3870663, 11611989, 21933757, 65801271, 197403813]

約数ペア:

[(1, 197403813), (3, 65801271), (9, 21933757), (17, 11611989), (51, 3870663), (153, 1290221), (439, 449667), (1317, 149889), (2939, 67167), (3951, 49963), (7463, 26451), (8817, 22389)]