215082215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{47743}}^1$

素因数の和:47818

約数の個数: 16

約数和(自身を含む): 278443008

約数和(自身を除く): 63360793

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 47743, 238715, 811631, 2530379, 4058155, 12651895, 43016443, 215082215]

約数ペア:

[(1, 215082215), (5, 43016443), (17, 12651895), (53, 4058155), (85, 2530379), (265, 811631), (901, 238715), (4505, 47743)]