71996445

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10457}}^1$

素因数の和:10491

約数の個数: 40

約数和(自身を含む): 136665144

約数和(自身を除く): 64668699

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 10457, 31371, 52285, 94113, 156855, 177769, 282339, 470565, 533307, 847017, 888845, 1411695, 1599921, 2666535, 4235085, 4799763, 7999605, 14399289, 23998815, 71996445]

約数ペア:

[(1, 71996445), (3, 23998815), (5, 14399289), (9, 7999605), (15, 4799763), (17, 4235085), (27, 2666535), (45, 1599921), (51, 1411695), (81, 888845), (85, 847017), (135, 533307), (153, 470565), (255, 282339), (405, 177769), (459, 156855), (765, 94113), (1377, 52285), (2295, 31371), (6885, 10457)]