28097289

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{25801}}^1$

素因数の和:25829

約数の個数: 18

約数和(自身を含む): 44611658

約数和(自身を除く): 16514369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 25801, 77403, 232209, 283811, 851433, 2554299, 3121921, 9365763, 28097289]

約数ペア:

[(1, 28097289), (3, 9365763), (9, 3121921), (11, 2554299), (33, 851433), (99, 283811), (121, 232209), (363, 77403), (1089, 25801)]