31112235

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 71608320

約数和(自身を除く): 40496085

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 41, 45, 55, 63, 73, 77, 99, 105, 123, 135, 165, 189, 205, 219, 231, 287, 297, 315, 365, 369, 385, 451, 495, 511, 615, 657, 693, 803, 861, 945, 1095, 1107, 1155, 1353, 1435, 1485, 1533, 1845, 1971, 2079, 2255, 2409, 2555, 2583, 2993, 3157, 3285, 3465, 4015, 4059, 4305, 4599, 5535, 5621, 6765, 7227, 7665, 7749, 8979, 9471, 9855, 10395, 12045, 12177, 12915, 13797, 14965, 15785, 16863, 20295, 20951, 21681, 22995, 26937, 28105, 28413, 32923, 36135, 38745, 44895, 47355, 50589, 60885, 62853, 68985, 80811, 84315, 85239, 98769, 104755, 108405, 134685, 142065, 151767, 164615, 188559, 230461, 252945, 296307, 314265, 404055, 426195, 493845, 565677, 691383, 758835, 888921, 942795, 1152305, 1481535, 2074149, 2828385, 3456915, 4444605, 6222447, 10370745, 31112235]

約数ペア:

[(1, 31112235), (3, 10370745), (5, 6222447), (7, 4444605), (9, 3456915), (11, 2828385), (15, 2074149), (21, 1481535), (27, 1152305), (33, 942795), (35, 888921), (41, 758835), (45, 691383), (55, 565677), (63, 493845), (73, 426195), (77, 404055), (99, 314265), (105, 296307), (123, 252945), (135, 230461), (165, 188559), (189, 164615), (205, 151767), (219, 142065), (231, 134685), (287, 108405), (297, 104755), (315, 98769), (365, 85239), (369, 84315), (385, 80811), (451, 68985), (495, 62853), (511, 60885), (615, 50589), (657, 47355), (693, 44895), (803, 38745), (861, 36135), (945, 32923), (1095, 28413), (1107, 28105), (1155, 26937), (1353, 22995), (1435, 21681), (1485, 20951), (1533, 20295), (1845, 16863), (1971, 15785), (2079, 14965), (2255, 13797), (2409, 12915), (2555, 12177), (2583, 12045), (2993, 10395), (3157, 9855), (3285, 9471), (3465, 8979), (4015, 7749), (4059, 7665), (4305, 7227), (4599, 6765), (5535, 5621)]