161714553

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 297398976

約数和(自身を除く): 135684423

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 157, 231, 273, 343, 429, 471, 539, 637, 1001, 1029, 1099, 1617, 1727, 1911, 2041, 2401, 3003, 3297, 3773, 4459, 5181, 6123, 7007, 7203, 7693, 11319, 12089, 13377, 14287, 21021, 22451, 23079, 26411, 31213, 36267, 42861, 49049, 53851, 67353, 79233, 84623, 93639, 100009, 147147, 157157, 161553, 253869, 300027, 343343, 376957, 471471, 592361, 700063, 1030029, 1100099, 1130871, 1777083, 2100189, 3300297, 4146527, 4900441, 7700693, 12439581, 14701323, 23102079, 53904851, 161714553]

約数ペア:

[(1, 161714553), (3, 53904851), (7, 23102079), (11, 14701323), (13, 12439581), (21, 7700693), (33, 4900441), (39, 4146527), (49, 3300297), (77, 2100189), (91, 1777083), (143, 1130871), (147, 1100099), (157, 1030029), (231, 700063), (273, 592361), (343, 471471), (429, 376957), (471, 343343), (539, 300027), (637, 253869), (1001, 161553), (1029, 157157), (1099, 147147), (1617, 100009), (1727, 93639), (1911, 84623), (2041, 79233), (2401, 67353), (3003, 53851), (3297, 49049), (3773, 42861), (4459, 36267), (5181, 31213), (6123, 26411), (7007, 23079), (7203, 22451), (7693, 21021), (11319, 14287), (12089, 13377)]