81770085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 151884720

約数和(自身を除く): 70114635

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 255, 267, 445, 765, 801, 1201, 1335, 1513, 3603, 4005, 4539, 6005, 7565, 10809, 13617, 18015, 20417, 22695, 54045, 61251, 68085, 102085, 106889, 183753, 306255, 320667, 534445, 918765, 962001, 1603335, 1817113, 4810005, 5451339, 9085565, 16354017, 27256695, 81770085]

約数ペア:

[(1, 81770085), (3, 27256695), (5, 16354017), (9, 9085565), (15, 5451339), (17, 4810005), (45, 1817113), (51, 1603335), (85, 962001), (89, 918765), (153, 534445), (255, 320667), (267, 306255), (445, 183753), (765, 106889), (801, 102085), (1201, 68085), (1335, 61251), (1513, 54045), (3603, 22695), (4005, 20417), (4539, 18015), (6005, 13617), (7565, 10809)]