31717125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{233}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 63115416

約数和(自身を除く): 31398291

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 125, 165, 225, 233, 275, 363, 375, 495, 605, 699, 825, 1089, 1125, 1165, 1375, 1815, 2097, 2475, 2563, 3025, 3495, 4125, 5445, 5825, 7689, 9075, 10485, 12375, 12815, 15125, 17475, 23067, 27225, 28193, 29125, 38445, 45375, 52425, 64075, 84579, 87375, 115335, 136125, 140965, 192225, 253737, 262125, 320375, 422895, 576675, 704825, 961125, 1268685, 2114475, 2883375, 3524125, 6343425, 10572375, 31717125]

約数ペア:

[(1, 31717125), (3, 10572375), (5, 6343425), (9, 3524125), (11, 2883375), (15, 2114475), (25, 1268685), (33, 961125), (45, 704825), (55, 576675), (75, 422895), (99, 320375), (121, 262125), (125, 253737), (165, 192225), (225, 140965), (233, 136125), (275, 115335), (363, 87375), (375, 84579), (495, 64075), (605, 52425), (699, 45375), (825, 38445), (1089, 29125), (1125, 28193), (1165, 27225), (1375, 23067), (1815, 17475), (2097, 15125), (2475, 12815), (2563, 12375), (3025, 10485), (3495, 9075), (4125, 7689), (5445, 5825)]