28731087

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3769}}^1$

素因数の和:3804

約数の個数: 36

約数和(自身を含む): 52146640

約数和(自身を除く): 23415553

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 3769, 7623, 11307, 26383, 33921, 41459, 79149, 124377, 237447, 290213, 373131, 456049, 870639, 1368147, 2611917, 3192343, 4104441, 9577029, 28731087]

約数ペア:

[(1, 28731087), (3, 9577029), (7, 4104441), (9, 3192343), (11, 2611917), (21, 1368147), (33, 870639), (63, 456049), (77, 373131), (99, 290213), (121, 237447), (231, 124377), (363, 79149), (693, 41459), (847, 33921), (1089, 26383), (2541, 11307), (3769, 7623)]