28889379

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8699}}^1$

素因数の和:8752

約数の個数: 20

約数和(自身を含む): 44213400

約数和(自身を除く): 15324021

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8699, 26097, 78291, 234873, 356659, 704619, 1069977, 3209931, 9629793, 28889379]

約数ペア:

[(1, 28889379), (3, 9629793), (9, 3209931), (27, 1069977), (41, 704619), (81, 356659), (123, 234873), (369, 78291), (1107, 26097), (3321, 8699)]