31131675

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2713}}^1$

素因数の和:2749

約数の個数: 48

約数和(自身を含む): 60576480

約数和(自身を除く): 29444805

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 2713, 3825, 8139, 11475, 13565, 24417, 40695, 46121, 67825, 73251, 122085, 138363, 203475, 230605, 366255, 415089, 610425, 691815, 1153025, 1245267, 1831275, 2075445, 3459075, 6226335, 10377225, 31131675]

約数ペア:

[(1, 31131675), (3, 10377225), (5, 6226335), (9, 3459075), (15, 2075445), (17, 1831275), (25, 1245267), (27, 1153025), (45, 691815), (51, 610425), (75, 415089), (85, 366255), (135, 230605), (153, 203475), (225, 138363), (255, 122085), (425, 73251), (459, 67825), (675, 46121), (765, 40695), (1275, 24417), (2295, 13565), (2713, 11475), (3825, 8139)]