66404751

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 109686240

約数和(自身を除く): 43281489

約数列:

[1, 3, 7, 21, 29, 37, 49, 87, 111, 147, 203, 259, 421, 609, 777, 1073, 1263, 1421, 1813, 2947, 3219, 4263, 5439, 7511, 8841, 12209, 15577, 20629, 22533, 36627, 46731, 52577, 61887, 85463, 109039, 157731, 256389, 327117, 451733, 598241, 763273, 1355199, 1794723, 2289819, 3162131, 9486393, 22134917, 66404751]

約数ペア:

[(1, 66404751), (3, 22134917), (7, 9486393), (21, 3162131), (29, 2289819), (37, 1794723), (49, 1355199), (87, 763273), (111, 598241), (147, 451733), (203, 327117), (259, 256389), (421, 157731), (609, 109039), (777, 85463), (1073, 61887), (1263, 52577), (1421, 46731), (1813, 36627), (2947, 22533), (3219, 20629), (4263, 15577), (5439, 12209), (7511, 8841)]