20160903

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 33488640

約数和(自身を除く): 13327737

約数列:

[1, 3, 7, 21, 23, 49, 67, 69, 89, 147, 161, 201, 267, 469, 483, 623, 1127, 1407, 1541, 1869, 2047, 3283, 3381, 4361, 4623, 5963, 6141, 9849, 10787, 13083, 14329, 17889, 32361, 41741, 42987, 75509, 100303, 125223, 137149, 226527, 292187, 300909, 411447, 876561, 960043, 2880129, 6720301, 20160903]

約数ペア:

[(1, 20160903), (3, 6720301), (7, 2880129), (21, 960043), (23, 876561), (49, 411447), (67, 300909), (69, 292187), (89, 226527), (147, 137149), (161, 125223), (201, 100303), (267, 75509), (469, 42987), (483, 41741), (623, 32361), (1127, 17889), (1407, 14329), (1541, 13083), (1869, 10787), (2047, 9849), (3283, 6141), (3381, 5963), (4361, 4623)]