81150405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 155271168

約数和(自身を除く): 74120763

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 107, 155, 217, 233, 321, 465, 535, 651, 699, 749, 1085, 1165, 1605, 1631, 2247, 3255, 3317, 3495, 3745, 4893, 7223, 8155, 9951, 11235, 16585, 21669, 23219, 24465, 24931, 36115, 49755, 50561, 69657, 74793, 108345, 116095, 124655, 151683, 174517, 252805, 348285, 373965, 523551, 758415, 772861, 872585, 2318583, 2617755, 3864305, 5410027, 11592915, 16230081, 27050135, 81150405]

約数ペア:

[(1, 81150405), (3, 27050135), (5, 16230081), (7, 11592915), (15, 5410027), (21, 3864305), (31, 2617755), (35, 2318583), (93, 872585), (105, 772861), (107, 758415), (155, 523551), (217, 373965), (233, 348285), (321, 252805), (465, 174517), (535, 151683), (651, 124655), (699, 116095), (749, 108345), (1085, 74793), (1165, 69657), (1605, 50561), (1631, 49755), (2247, 36115), (3255, 24931), (3317, 24465), (3495, 23219), (3745, 21669), (4893, 16585), (7223, 11235), (8155, 9951)]