28033131

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 16134549

約数列:

[1, 3, 7, 21, 53, 89, 159, 267, 283, 371, 623, 849, 1113, 1869, 1981, 4717, 5943, 14151, 14999, 25187, 33019, 44997, 75561, 99057, 104993, 176309, 314979, 528927, 1334911, 4004733, 9344377, 28033131]

約数ペア:

[(1, 28033131), (3, 9344377), (7, 4004733), (21, 1334911), (53, 528927), (89, 314979), (159, 176309), (267, 104993), (283, 99057), (371, 75561), (623, 44997), (849, 33019), (1113, 25187), (1869, 14999), (1981, 14151), (4717, 5943)]