172489401

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{51659}}^1$

素因数の和:51725

約数の個数: 24

約数和(自身を含む): 290122560

約数和(自身を除く): 117633159

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 51659, 154977, 361613, 464931, 1084839, 2737927, 3254517, 8213781, 19165489, 24641343, 57496467, 172489401]

約数ペア:

[(1, 172489401), (3, 57496467), (7, 24641343), (9, 19165489), (21, 8213781), (53, 3254517), (63, 2737927), (159, 1084839), (371, 464931), (477, 361613), (1113, 154977), (3339, 51659)]