42646905

素因数分解:

$3^4\times 5^1\times 7^3\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 80

約数和(自身を含む): 89443200

約数和(自身を除く): 46796295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 307, 315, 343, 405, 441, 567, 735, 921, 945, 1029, 1323, 1535, 1715, 2149, 2205, 2763, 2835, 3087, 3969, 4605, 5145, 6447, 6615, 8289, 9261, 10745, 13815, 15043, 15435, 19341, 19845, 24867, 27783, 32235, 41445, 45129, 46305, 58023, 75215, 96705, 105301, 124335, 135387, 138915, 174069, 225645, 290115, 315903, 406161, 526505, 676935, 870345, 947709, 1218483, 1579515, 2030805, 2843127, 4738545, 6092415, 8529381, 14215635, 42646905]

約数ペア:

[(1, 42646905), (3, 14215635), (5, 8529381), (7, 6092415), (9, 4738545), (15, 2843127), (21, 2030805), (27, 1579515), (35, 1218483), (45, 947709), (49, 870345), (63, 676935), (81, 526505), (105, 406161), (135, 315903), (147, 290115), (189, 225645), (245, 174069), (307, 138915), (315, 135387), (343, 124335), (405, 105301), (441, 96705), (567, 75215), (735, 58023), (921, 46305), (945, 45129), (1029, 41445), (1323, 32235), (1535, 27783), (1715, 24867), (2149, 19845), (2205, 19341), (2763, 15435), (2835, 15043), (3087, 13815), (3969, 10745), (4605, 9261), (5145, 8289), (6447, 6615)]