6556641

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 11337984

約数和(自身を除く): 4781343

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 73, 91, 141, 147, 219, 273, 329, 511, 611, 637, 949, 987, 1533, 1833, 1911, 2303, 2847, 3431, 3577, 4277, 6643, 6909, 10293, 10731, 12831, 19929, 24017, 29939, 44603, 46501, 72051, 89817, 133809, 139503, 168119, 312221, 504357, 936663, 2185547, 6556641]

約数ペア:

[(1, 6556641), (3, 2185547), (7, 936663), (13, 504357), (21, 312221), (39, 168119), (47, 139503), (49, 133809), (73, 89817), (91, 72051), (141, 46501), (147, 44603), (219, 29939), (273, 24017), (329, 19929), (511, 12831), (611, 10731), (637, 10293), (949, 6909), (987, 6643), (1533, 4277), (1833, 3577), (1911, 3431), (2303, 2847)]