27515439

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 48455680

約数和(自身を除く): 20940241

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 127, 133, 171, 181, 381, 399, 543, 889, 1143, 1197, 1267, 1629, 2413, 2667, 3439, 3801, 7239, 8001, 10317, 11403, 16891, 21717, 22987, 24073, 30951, 50673, 68961, 72219, 152019, 160909, 206883, 216657, 436753, 482727, 1310259, 1448181, 3057271, 3930777, 9171813, 27515439]

約数ペア:

[(1, 27515439), (3, 9171813), (7, 3930777), (9, 3057271), (19, 1448181), (21, 1310259), (57, 482727), (63, 436753), (127, 216657), (133, 206883), (171, 160909), (181, 152019), (381, 72219), (399, 68961), (543, 50673), (889, 30951), (1143, 24073), (1197, 22987), (1267, 21717), (1629, 16891), (2413, 11403), (2667, 10317), (3439, 8001), (3801, 7239)]