164395

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 254448

約数和(自身を除く): 90053

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 245, 305, 385, 427, 539, 671, 2135, 2695, 2989, 3355, 4697, 14945, 23485, 32879, 164395]

約数ペア:

[(1, 164395), (5, 32879), (7, 23485), (11, 14945), (35, 4697), (49, 3355), (55, 2989), (61, 2695), (77, 2135), (245, 671), (305, 539), (385, 427)]