80478867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{225431}}^1$

素因数の和:225458

約数の個数: 16

約数和(自身を含む): 129848832

約数和(自身を除く): 49369965

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 225431, 676293, 1578017, 3832327, 4734051, 11496981, 26826289, 80478867]

約数ペア:

[(1, 80478867), (3, 26826289), (7, 11496981), (17, 4734051), (21, 3832327), (51, 1578017), (119, 676293), (357, 225431)]