2640645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 5346432

約数和(自身を除く): 2705787

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 101, 105, 249, 303, 315, 415, 505, 581, 707, 747, 909, 1245, 1515, 1743, 2121, 2905, 3535, 3735, 4545, 5229, 6363, 8383, 8715, 10605, 25149, 26145, 31815, 41915, 58681, 75447, 125745, 176043, 293405, 377235, 528129, 880215, 2640645]

約数ペア:

[(1, 2640645), (3, 880215), (5, 528129), (7, 377235), (9, 293405), (15, 176043), (21, 125745), (35, 75447), (45, 58681), (63, 41915), (83, 31815), (101, 26145), (105, 25149), (249, 10605), (303, 8715), (315, 8383), (415, 6363), (505, 5229), (581, 4545), (707, 3735), (747, 3535), (909, 2905), (1245, 2121), (1515, 1743)]