31197375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2553

約数の個数: 48

約数和(自身を含む): 61375392

約数和(自身を除く): 30178017

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 2475, 2521, 4125, 7563, 12375, 12605, 22689, 27731, 37815, 63025, 83193, 113445, 138655, 189075, 249579, 315125, 415965, 567225, 693275, 945375, 1247895, 2079825, 2836125, 3466375, 6239475, 10399125, 31197375]

約数ペア:

[(1, 31197375), (3, 10399125), (5, 6239475), (9, 3466375), (11, 2836125), (15, 2079825), (25, 1247895), (33, 945375), (45, 693275), (55, 567225), (75, 415965), (99, 315125), (125, 249579), (165, 189075), (225, 138655), (275, 113445), (375, 83193), (495, 63025), (825, 37815), (1125, 27731), (1375, 22689), (2475, 12605), (2521, 12375), (4125, 7563)]