31212225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12611}}^1$

素因数の和:12638

約数の個数: 36

約数和(自身を含む): 60991632

約数和(自身を除く): 29779407

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 12611, 37833, 63055, 113499, 138721, 189165, 315275, 416163, 567495, 693605, 945825, 1248489, 2080815, 2837475, 3468025, 6242445, 10404075, 31212225]

約数ペア:

[(1, 31212225), (3, 10404075), (5, 6242445), (9, 3468025), (11, 2837475), (15, 2080815), (25, 1248489), (33, 945825), (45, 693605), (55, 567495), (75, 416163), (99, 315275), (165, 189165), (225, 138721), (275, 113499), (495, 63055), (825, 37833), (2475, 12611)]