67991805

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 144270720

約数和(自身を除く): 76278915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 261, 315, 405, 435, 567, 609, 783, 827, 945, 1015, 1305, 1827, 2349, 2481, 2835, 3045, 3915, 4135, 5481, 5789, 7443, 9135, 11745, 12405, 16443, 17367, 22329, 23983, 27405, 28945, 37215, 52101, 66987, 71949, 82215, 86835, 111645, 119915, 156303, 167881, 215847, 260505, 334935, 359745, 468909, 503643, 647541, 781515, 839405, 1079235, 1510929, 1942623, 2344545, 2518215, 3237705, 4532787, 7554645, 9713115, 13598361, 22663935, 67991805]

約数ペア:

[(1, 67991805), (3, 22663935), (5, 13598361), (7, 9713115), (9, 7554645), (15, 4532787), (21, 3237705), (27, 2518215), (29, 2344545), (35, 1942623), (45, 1510929), (63, 1079235), (81, 839405), (87, 781515), (105, 647541), (135, 503643), (145, 468909), (189, 359745), (203, 334935), (261, 260505), (315, 215847), (405, 167881), (435, 156303), (567, 119915), (609, 111645), (783, 86835), (827, 82215), (945, 71949), (1015, 66987), (1305, 52101), (1827, 37215), (2349, 28945), (2481, 27405), (2835, 23983), (3045, 22329), (3915, 17367), (4135, 16443), (5481, 12405), (5789, 11745), (7443, 9135)]