7240905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 14536704

約数和(自身を除く): 7295799

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 181, 315, 381, 543, 635, 889, 905, 1143, 1267, 1629, 1905, 2667, 2715, 3801, 4445, 5715, 6335, 8001, 8145, 11403, 13335, 19005, 22987, 40005, 57015, 68961, 114935, 160909, 206883, 344805, 482727, 804545, 1034415, 1448181, 2413635, 7240905]

約数ペア:

[(1, 7240905), (3, 2413635), (5, 1448181), (7, 1034415), (9, 804545), (15, 482727), (21, 344805), (35, 206883), (45, 160909), (63, 114935), (105, 68961), (127, 57015), (181, 40005), (315, 22987), (381, 19005), (543, 13335), (635, 11403), (889, 8145), (905, 8001), (1143, 6335), (1267, 5715), (1629, 4445), (1905, 3801), (2667, 2715)]