31190445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 65729664

約数和(自身を除く): 34539219

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 37, 39, 45, 55, 65, 99, 111, 117, 131, 143, 165, 185, 195, 333, 393, 407, 429, 481, 495, 555, 585, 655, 715, 1179, 1221, 1287, 1441, 1443, 1665, 1703, 1965, 2035, 2145, 2405, 3663, 4323, 4329, 4847, 5109, 5291, 5895, 6105, 6435, 7205, 7215, 8515, 12969, 14541, 15327, 15873, 18315, 18733, 21615, 21645, 24235, 25545, 26455, 43623, 47619, 53317, 56199, 63011, 64845, 72705, 76635, 79365, 93665, 159951, 168597, 189033, 218115, 238095, 266585, 280995, 315055, 479853, 567099, 693121, 799755, 842985, 945165, 2079363, 2399265, 2835495, 3465605, 6238089, 10396815, 31190445]

約数ペア:

[(1, 31190445), (3, 10396815), (5, 6238089), (9, 3465605), (11, 2835495), (13, 2399265), (15, 2079363), (33, 945165), (37, 842985), (39, 799755), (45, 693121), (55, 567099), (65, 479853), (99, 315055), (111, 280995), (117, 266585), (131, 238095), (143, 218115), (165, 189033), (185, 168597), (195, 159951), (333, 93665), (393, 79365), (407, 76635), (429, 72705), (481, 64845), (495, 63011), (555, 56199), (585, 53317), (655, 47619), (715, 43623), (1179, 26455), (1221, 25545), (1287, 24235), (1441, 21645), (1443, 21615), (1665, 18733), (1703, 18315), (1965, 15873), (2035, 15327), (2145, 14541), (2405, 12969), (3663, 8515), (4323, 7215), (4329, 7205), (4847, 6435), (5109, 6105), (5291, 5895)]