1212847587

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{16843}}^1$

素因数の和:16989

約数の個数: 40

約数和(自身を含む): 2087038976

約数和(自身を除く): 874191389

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 567, 889, 1143, 2667, 3429, 8001, 10287, 16843, 24003, 50529, 72009, 117901, 151587, 353703, 454761, 1061109, 1364283, 2139061, 3183327, 6417183, 9549981, 14973427, 19251549, 44920281, 57754647, 134760843, 173263941, 404282529, 1212847587]

約数ペア:

[(1, 1212847587), (3, 404282529), (7, 173263941), (9, 134760843), (21, 57754647), (27, 44920281), (63, 19251549), (81, 14973427), (127, 9549981), (189, 6417183), (381, 3183327), (567, 2139061), (889, 1364283), (1143, 1061109), (2667, 454761), (3429, 353703), (8001, 151587), (10287, 117901), (16843, 72009), (24003, 50529)]