28417257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 46287360

約数和(自身を除く): 17870103

約数列:

[1, 3, 9, 11, 27, 33, 99, 163, 297, 489, 587, 1467, 1761, 1793, 4401, 5283, 5379, 6457, 15849, 16137, 19371, 48411, 58113, 95681, 174339, 287043, 861129, 1052491, 2583387, 3157473, 9472419, 28417257]

約数ペア:

[(1, 28417257), (3, 9472419), (9, 3157473), (11, 2583387), (27, 1052491), (33, 861129), (99, 287043), (163, 174339), (297, 95681), (489, 58113), (587, 48411), (1467, 19371), (1761, 16137), (1793, 15849), (4401, 6457), (5283, 5379)]