7272909

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 12638208

約数和(自身を除く): 5365299

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 127, 189, 303, 381, 567, 707, 889, 909, 1143, 2121, 2667, 2727, 3429, 6363, 8001, 8181, 10287, 12827, 19089, 24003, 38481, 57267, 72009, 89789, 115443, 269367, 346329, 808101, 1038987, 2424303, 7272909]

約数ペア:

[(1, 7272909), (3, 2424303), (7, 1038987), (9, 808101), (21, 346329), (27, 269367), (63, 115443), (81, 89789), (101, 72009), (127, 57267), (189, 38481), (303, 24003), (381, 19089), (567, 12827), (707, 10287), (889, 8181), (909, 8001), (1143, 6363), (2121, 3429), (2667, 2727)]