12728499

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 21652992

約数和(自身を除く): 8924493

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 73, 133, 161, 219, 361, 399, 437, 483, 511, 1083, 1311, 1387, 1533, 1679, 2527, 3059, 4161, 5037, 7581, 8303, 9177, 9709, 11753, 24909, 26353, 29127, 31901, 35259, 58121, 79059, 95703, 174363, 184471, 223307, 553413, 606119, 669921, 1818357, 4242833, 12728499]

約数ペア:

[(1, 12728499), (3, 4242833), (7, 1818357), (19, 669921), (21, 606119), (23, 553413), (57, 223307), (69, 184471), (73, 174363), (133, 95703), (161, 79059), (219, 58121), (361, 35259), (399, 31901), (437, 29127), (483, 26353), (511, 24909), (1083, 11753), (1311, 9709), (1387, 9177), (1533, 8303), (1679, 7581), (2527, 5037), (3059, 4161)]