17966659221

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{888427}}^1$

素因数の和:888550

約数の個数: 32

約数和(自身を含む): 30704071680

約数和(自身を除く): 12737412459

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 6741, 20223, 888427, 2665281, 6218989, 7995843, 18656967, 23987529, 55970901, 95061689, 167912703, 285185067, 665431823, 855555201, 1996295469, 2566665603, 5988886407, 17966659221]

約数ペア:

[(1, 17966659221), (3, 5988886407), (7, 2566665603), (9, 1996295469), (21, 855555201), (27, 665431823), (63, 285185067), (107, 167912703), (189, 95061689), (321, 55970901), (749, 23987529), (963, 18656967), (2247, 7995843), (2889, 6218989), (6741, 2665281), (20223, 888427)]