17768673

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 13197087

約数列:

[1, 3, 9, 13, 23, 27, 31, 39, 69, 71, 93, 117, 207, 213, 279, 299, 351, 403, 621, 639, 713, 837, 897, 923, 1209, 1633, 1917, 2139, 2201, 2691, 2769, 3627, 4899, 6417, 6603, 8073, 8307, 9269, 10881, 14697, 19251, 19809, 21229, 24921, 27807, 28613, 44091, 50623, 59427, 63687, 83421, 85839, 151869, 191061, 250263, 257517, 455607, 573183, 658099, 772551, 1366821, 1974297, 5922891, 17768673]

約数ペア:

[(1, 17768673), (3, 5922891), (9, 1974297), (13, 1366821), (23, 772551), (27, 658099), (31, 573183), (39, 455607), (69, 257517), (71, 250263), (93, 191061), (117, 151869), (207, 85839), (213, 83421), (279, 63687), (299, 59427), (351, 50623), (403, 44091), (621, 28613), (639, 27807), (713, 24921), (837, 21229), (897, 19809), (923, 19251), (1209, 14697), (1633, 10881), (1917, 9269), (2139, 8307), (2201, 8073), (2691, 6603), (2769, 6417), (3627, 4899)]