81234351

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 133830528

約数和(自身を除く): 52596177

約数列:

[1, 3, 9, 11, 33, 37, 67, 99, 111, 201, 331, 333, 407, 603, 737, 993, 1221, 2211, 2479, 2979, 3641, 3663, 6633, 7437, 10923, 12247, 22177, 22311, 27269, 32769, 36741, 66531, 81807, 110223, 134717, 199593, 243947, 245421, 404151, 731841, 820549, 1212453, 2195523, 2461647, 7384941, 9026039, 27078117, 81234351]

約数ペア:

[(1, 81234351), (3, 27078117), (9, 9026039), (11, 7384941), (33, 2461647), (37, 2195523), (67, 1212453), (99, 820549), (111, 731841), (201, 404151), (331, 245421), (333, 243947), (407, 199593), (603, 134717), (737, 110223), (993, 81807), (1221, 66531), (2211, 36741), (2479, 32769), (2979, 27269), (3641, 22311), (3663, 22177), (6633, 12247), (7437, 10923)]