71287755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 148721664

約数和(自身を除く): 77433909

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 121, 155, 165, 181, 217, 231, 341, 363, 385, 465, 543, 605, 651, 847, 905, 1023, 1085, 1155, 1267, 1705, 1815, 1991, 2387, 2541, 2715, 3255, 3751, 3801, 4235, 5115, 5611, 5973, 6335, 7161, 9955, 11253, 11935, 12705, 13937, 16833, 18755, 19005, 21901, 26257, 28055, 29865, 35805, 39277, 41811, 56265, 61721, 65703, 69685, 78771, 84165, 109505, 117831, 131285, 153307, 185163, 196385, 209055, 308605, 328515, 393855, 432047, 459921, 589155, 678931, 766535, 925815, 1296141, 2036793, 2160235, 2299605, 3394655, 4752517, 6480705, 10183965, 14257551, 23762585, 71287755]

約数ペア:

[(1, 71287755), (3, 23762585), (5, 14257551), (7, 10183965), (11, 6480705), (15, 4752517), (21, 3394655), (31, 2299605), (33, 2160235), (35, 2036793), (55, 1296141), (77, 925815), (93, 766535), (105, 678931), (121, 589155), (155, 459921), (165, 432047), (181, 393855), (217, 328515), (231, 308605), (341, 209055), (363, 196385), (385, 185163), (465, 153307), (543, 131285), (605, 117831), (651, 109505), (847, 84165), (905, 78771), (1023, 69685), (1085, 65703), (1155, 61721), (1267, 56265), (1705, 41811), (1815, 39277), (1991, 35805), (2387, 29865), (2541, 28055), (2715, 26257), (3255, 21901), (3751, 19005), (3801, 18755), (4235, 16833), (5115, 13937), (5611, 12705), (5973, 11935), (6335, 11253), (7161, 9955)]