16829721

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 26691840

約数和(自身を除く): 9862119

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 661, 943, 1107, 1983, 2829, 5949, 8487, 15203, 17847, 25461, 27101, 45609, 81303, 136827, 243909, 410481, 623323, 731727, 1869969, 5609907, 16829721]

約数ペア:

[(1, 16829721), (3, 5609907), (9, 1869969), (23, 731727), (27, 623323), (41, 410481), (69, 243909), (123, 136827), (207, 81303), (369, 45609), (621, 27101), (661, 25461), (943, 17847), (1107, 15203), (1983, 8487), (2829, 5949)]