212331375

素因数分解:

$3^4\times 5^3\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 403040352

約数和(自身を除く): 190708977

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 125, 135, 201, 225, 313, 335, 375, 405, 603, 675, 939, 1005, 1125, 1565, 1675, 1809, 2025, 2817, 3015, 3375, 4695, 5025, 5427, 7825, 8375, 8451, 9045, 10125, 14085, 15075, 20971, 23475, 25125, 25353, 27135, 39125, 42255, 45225, 62913, 70425, 75375, 104855, 117375, 126765, 135675, 188739, 211275, 226125, 314565, 352125, 524275, 566217, 633825, 678375, 943695, 1056375, 1572825, 1698651, 2621375, 2831085, 3169125, 4718475, 7864125, 8493255, 14155425, 23592375, 42466275, 70777125, 212331375]

約数ペア:

[(1, 212331375), (3, 70777125), (5, 42466275), (9, 23592375), (15, 14155425), (25, 8493255), (27, 7864125), (45, 4718475), (67, 3169125), (75, 2831085), (81, 2621375), (125, 1698651), (135, 1572825), (201, 1056375), (225, 943695), (313, 678375), (335, 633825), (375, 566217), (405, 524275), (603, 352125), (675, 314565), (939, 226125), (1005, 211275), (1125, 188739), (1565, 135675), (1675, 126765), (1809, 117375), (2025, 104855), (2817, 75375), (3015, 70425), (3375, 62913), (4695, 45225), (5025, 42255), (5427, 39125), (7825, 27135), (8375, 25353), (8451, 25125), (9045, 23475), (10125, 20971), (14085, 15075)]