71214381

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 122164224

約数和(自身を除く): 50949843

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 137, 223, 259, 333, 411, 669, 777, 959, 1233, 1561, 2007, 2331, 2877, 4683, 5069, 8251, 8631, 14049, 15207, 24753, 30551, 35483, 45621, 57757, 74259, 91653, 106449, 173271, 213857, 274959, 319347, 519813, 641571, 1130387, 1924713, 3391161, 7912709, 10173483, 23738127, 71214381]

約数ペア:

[(1, 71214381), (3, 23738127), (7, 10173483), (9, 7912709), (21, 3391161), (37, 1924713), (63, 1130387), (111, 641571), (137, 519813), (223, 319347), (259, 274959), (333, 213857), (411, 173271), (669, 106449), (777, 91653), (959, 74259), (1233, 57757), (1561, 45621), (2007, 35483), (2331, 30551), (2877, 24753), (4683, 15207), (5069, 14049), (8251, 8631)]