2187486567

素因数分解:

$3^4\times 7^2\times {\mathrm{551143}}^1$

素因数の和:551169

約数の個数: 30

約数和(自身を含む): 3801240168

約数和(自身を除く): 1613753601

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 551143, 1653429, 3858001, 4960287, 11574003, 14880861, 27006007, 34722009, 44642583, 81018021, 104166027, 243054063, 312498081, 729162189, 2187486567]

約数ペア:

[(1, 2187486567), (3, 729162189), (7, 312498081), (9, 243054063), (21, 104166027), (27, 81018021), (49, 44642583), (63, 34722009), (81, 27006007), (147, 14880861), (189, 11574003), (441, 4960287), (567, 3858001), (1323, 1653429), (3969, 551143)]