280149681

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 470679552

約数和(自身を除く): 190529871

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 127, 167, 259, 357, 381, 501, 629, 777, 889, 1169, 1887, 2159, 2667, 2839, 3507, 4403, 4699, 6179, 6477, 8517, 13209, 14097, 15113, 18537, 19873, 21209, 32893, 43253, 45339, 59619, 63627, 79883, 98679, 105043, 129759, 148463, 239649, 315129, 360553, 445389, 559181, 735301, 784733, 1081659, 1677543, 2205903, 2354199, 2523871, 5493131, 7571613, 13340461, 16479393, 40021383, 93383227, 280149681]

約数ペア:

[(1, 280149681), (3, 93383227), (7, 40021383), (17, 16479393), (21, 13340461), (37, 7571613), (51, 5493131), (111, 2523871), (119, 2354199), (127, 2205903), (167, 1677543), (259, 1081659), (357, 784733), (381, 735301), (501, 559181), (629, 445389), (777, 360553), (889, 315129), (1169, 239649), (1887, 148463), (2159, 129759), (2667, 105043), (2839, 98679), (3507, 79883), (4403, 63627), (4699, 59619), (6179, 45339), (6477, 43253), (8517, 32893), (13209, 21209), (14097, 19873), (15113, 18537)]