74947509

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 143783640

約数和(自身を除く): 68836131

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 769, 819, 833, 1071, 1547, 1911, 1989, 2307, 2499, 4641, 5383, 5733, 6921, 7497, 9997, 10829, 13073, 13923, 16149, 29991, 32487, 37681, 39219, 48447, 69979, 89973, 91511, 97461, 113043, 117657, 169949, 209937, 274533, 339129, 489853, 509847, 629811, 640577, 823599, 1189643, 1469559, 1529541, 1921731, 3568929, 4408677, 5765193, 8327501, 10706787, 24982503, 74947509]

約数ペア:

[(1, 74947509), (3, 24982503), (7, 10706787), (9, 8327501), (13, 5765193), (17, 4408677), (21, 3568929), (39, 1921731), (49, 1529541), (51, 1469559), (63, 1189643), (91, 823599), (117, 640577), (119, 629811), (147, 509847), (153, 489853), (221, 339129), (273, 274533), (357, 209937), (441, 169949), (637, 117657), (663, 113043), (769, 97461), (819, 91511), (833, 89973), (1071, 69979), (1547, 48447), (1911, 39219), (1989, 37681), (2307, 32487), (2499, 29991), (4641, 16149), (5383, 13923), (5733, 13073), (6921, 10829), (7497, 9997)]