2679075

素因数分解:

$3^7\times 5^2\times 7^2$

素因数の和:45

約数の個数: 72

約数和(自身を含む): 5795760

約数和(自身を除く): 3116685

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 225, 243, 245, 315, 405, 441, 525, 567, 675, 729, 735, 945, 1215, 1225, 1323, 1575, 1701, 2025, 2187, 2205, 2835, 3645, 3675, 3969, 4725, 5103, 6075, 6615, 8505, 10935, 11025, 11907, 14175, 15309, 18225, 19845, 25515, 33075, 35721, 42525, 54675, 59535, 76545, 99225, 107163, 127575, 178605, 297675, 382725, 535815, 893025, 2679075]

約数ペア:

[(1, 2679075), (3, 893025), (5, 535815), (7, 382725), (9, 297675), (15, 178605), (21, 127575), (25, 107163), (27, 99225), (35, 76545), (45, 59535), (49, 54675), (63, 42525), (75, 35721), (81, 33075), (105, 25515), (135, 19845), (147, 18225), (175, 15309), (189, 14175), (225, 11907), (243, 11025), (245, 10935), (315, 8505), (405, 6615), (441, 6075), (525, 5103), (567, 4725), (675, 3969), (729, 3675), (735, 3645), (945, 2835), (1215, 2205), (1225, 2187), (1323, 2025), (1575, 1701)]