251291217

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{4201}}^1$

素因数の和:4488

約数の個数: 16

約数和(自身を含む): 339924992

約数和(自身を除く): 88633775

約数列:

[1, 3, 127, 157, 381, 471, 4201, 12603, 19939, 59817, 533527, 659557, 1600581, 1978671, 83763739, 251291217]

約数ペア:

[(1, 251291217), (3, 83763739), (127, 1978671), (157, 1600581), (381, 659557), (471, 533527), (4201, 59817), (12603, 19939)]