12939087

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 21669120

約数和(自身を除く): 8730033

約数列:

[1, 3, 7, 21, 23, 43, 49, 69, 89, 129, 147, 161, 267, 301, 483, 623, 903, 989, 1127, 1869, 2047, 2107, 2967, 3381, 3827, 4361, 6141, 6321, 6923, 11481, 13083, 14329, 20769, 26789, 42987, 48461, 80367, 88021, 100303, 145383, 187523, 264063, 300909, 562569, 616147, 1848441, 4313029, 12939087]

約数ペア:

[(1, 12939087), (3, 4313029), (7, 1848441), (21, 616147), (23, 562569), (43, 300909), (49, 264063), (69, 187523), (89, 145383), (129, 100303), (147, 88021), (161, 80367), (267, 48461), (301, 42987), (483, 26789), (623, 20769), (903, 14329), (989, 13083), (1127, 11481), (1869, 6923), (2047, 6321), (2107, 6141), (2967, 4361), (3381, 3827)]