23020641

素因数分解:

$3^2\times 7^2\times {\mathrm{52201}}^1$

素因数の和:52221

約数の個数: 18

約数和(自身を含む): 38681682

約数和(自身を除く): 15661041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 52201, 156603, 365407, 469809, 1096221, 2557849, 3288663, 7673547, 23020641]

約数ペア:

[(1, 23020641), (3, 7673547), (7, 3288663), (9, 2557849), (21, 1096221), (49, 469809), (63, 365407), (147, 156603), (441, 52201)]