25970985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 47844108

約数和(自身を除く): 21873123

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 1997, 2601, 4335, 5991, 9985, 13005, 17973, 29955, 33949, 89865, 101847, 169745, 305541, 509235, 577133, 1527705, 1731399, 2885665, 5194197, 8656995, 25970985]

約数ペア:

[(1, 25970985), (3, 8656995), (5, 5194197), (9, 2885665), (15, 1731399), (17, 1527705), (45, 577133), (51, 509235), (85, 305541), (153, 169745), (255, 101847), (289, 89865), (765, 33949), (867, 29955), (1445, 17973), (1997, 13005), (2601, 9985), (4335, 5991)]