2956905

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{149}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 6207300

約数和(自身を除く): 3250395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 149, 189, 245, 315, 405, 441, 447, 567, 735, 745, 945, 1043, 1323, 1341, 2205, 2235, 2835, 3129, 3969, 4023, 5215, 6615, 6705, 7301, 9387, 12069, 15645, 19845, 20115, 21903, 28161, 36505, 46935, 60345, 65709, 84483, 109515, 140805, 197127, 328545, 422415, 591381, 985635, 2956905]

約数ペア:

[(1, 2956905), (3, 985635), (5, 591381), (7, 422415), (9, 328545), (15, 197127), (21, 140805), (27, 109515), (35, 84483), (45, 65709), (49, 60345), (63, 46935), (81, 36505), (105, 28161), (135, 21903), (147, 20115), (149, 19845), (189, 15645), (245, 12069), (315, 9387), (405, 7301), (441, 6705), (447, 6615), (567, 5215), (735, 4023), (745, 3969), (945, 3129), (1043, 2835), (1323, 2235), (1341, 2205)]