28156689

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14969}}^1$

素因数の和:15005

約数の個数: 24

約数和(自身を含む): 46706400

約数和(自身を除く): 18549711

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 14969, 44907, 134721, 164659, 284411, 493977, 853233, 1481931, 2559699, 3128521, 9385563, 28156689]

約数ペア:

[(1, 28156689), (3, 9385563), (9, 3128521), (11, 2559699), (19, 1481931), (33, 853233), (57, 493977), (99, 284411), (171, 164659), (209, 134721), (627, 44907), (1881, 14969)]