81558711

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{733}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 130710720

約数和(自身を除く): 49152009

約数列:

[1, 3, 9, 13, 27, 39, 117, 317, 351, 733, 951, 2199, 2853, 4121, 6597, 8559, 9529, 12363, 19791, 28587, 37089, 85761, 111267, 232361, 257283, 697083, 2091249, 3020693, 6273747, 9062079, 27186237, 81558711]

約数ペア:

[(1, 81558711), (3, 27186237), (9, 9062079), (13, 6273747), (27, 3020693), (39, 2091249), (117, 697083), (317, 257283), (351, 232361), (733, 111267), (951, 85761), (2199, 37089), (2853, 28587), (4121, 19791), (6597, 12363), (8559, 9529)]