81723306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 196466688

約数和(自身を除く): 114743382

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 43, 74, 86, 111, 129, 222, 258, 259, 301, 518, 602, 777, 903, 1223, 1554, 1591, 1806, 2446, 3182, 3669, 4773, 7338, 8561, 9546, 11137, 17122, 22274, 25683, 33411, 45251, 51366, 52589, 66822, 90502, 105178, 135753, 157767, 271506, 315534, 316757, 368123, 633514, 736246, 950271, 1104369, 1900542, 1945793, 2208738, 3891586, 5837379, 11674758, 13620551, 27241102, 40861653, 81723306]

約数ペア:

[(1, 81723306), (2, 40861653), (3, 27241102), (6, 13620551), (7, 11674758), (14, 5837379), (21, 3891586), (37, 2208738), (42, 1945793), (43, 1900542), (74, 1104369), (86, 950271), (111, 736246), (129, 633514), (222, 368123), (258, 316757), (259, 315534), (301, 271506), (518, 157767), (602, 135753), (777, 105178), (903, 90502), (1223, 66822), (1554, 52589), (1591, 51366), (1806, 45251), (2446, 33411), (3182, 25683), (3669, 22274), (4773, 17122), (7338, 11137), (8561, 9546)]