90843921

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 163363200

約数和(自身を除く): 72519279

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1653, 1827, 2617, 3857, 4959, 7851, 11571, 18319, 23553, 34713, 49723, 54957, 75893, 149169, 164871, 227679, 348061, 447507, 531251, 683037, 1044183, 1441967, 1593753, 3132549, 4325901, 4781259, 10093769, 12977703, 30281307, 90843921]

約数ペア:

[(1, 90843921), (3, 30281307), (7, 12977703), (9, 10093769), (19, 4781259), (21, 4325901), (29, 3132549), (57, 1593753), (63, 1441967), (87, 1044183), (133, 683037), (171, 531251), (203, 447507), (261, 348061), (399, 227679), (551, 164871), (609, 149169), (1197, 75893), (1653, 54957), (1827, 49723), (2617, 34713), (3857, 23553), (4959, 18319), (7851, 11571)]