142874991

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{13109}}^1$

素因数の和:13295

約数の個数: 24

約数和(自身を含む): 237238560

約数和(自身を除く): 94363569

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 13109, 39327, 91763, 117981, 275289, 825867, 2267857, 6803571, 15874999, 20410713, 47624997, 142874991]

約数ペア:

[(1, 142874991), (3, 47624997), (7, 20410713), (9, 15874999), (21, 6803571), (63, 2267857), (173, 825867), (519, 275289), (1211, 117981), (1557, 91763), (3633, 39327), (10899, 13109)]