26806689

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 21625695

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 461, 497, 639, 819, 923, 1383, 1491, 2769, 3227, 4149, 4473, 5993, 6461, 8307, 9681, 17979, 19383, 29043, 32731, 41951, 53937, 58149, 98193, 125853, 229117, 294579, 377559, 425503, 687351, 1276509, 2062053, 2978521, 3829527, 8935563, 26806689]

約数ペア:

[(1, 26806689), (3, 8935563), (7, 3829527), (9, 2978521), (13, 2062053), (21, 1276509), (39, 687351), (63, 425503), (71, 377559), (91, 294579), (117, 229117), (213, 125853), (273, 98193), (461, 58149), (497, 53937), (639, 41951), (819, 32731), (923, 29043), (1383, 19383), (1491, 17979), (2769, 9681), (3227, 8307), (4149, 6461), (4473, 5993)]