247843395

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 460307232

約数和(自身を除く): 212463837

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 83, 101, 135, 219, 249, 303, 365, 405, 415, 505, 657, 747, 909, 1095, 1245, 1515, 1971, 2241, 2727, 3285, 3735, 4545, 5913, 6059, 6723, 7373, 8181, 8383, 9855, 11205, 13635, 18177, 22119, 25149, 29565, 30295, 33615, 36865, 40905, 41915, 54531, 66357, 75447, 90885, 110595, 125745, 163593, 199071, 226341, 272655, 331785, 377235, 490779, 597213, 611959, 679023, 817965, 995355, 1131705, 1835877, 2453895, 2986065, 3059795, 3395115, 5507631, 9179385, 16522893, 27538155, 49568679, 82614465, 247843395]

約数ペア:

[(1, 247843395), (3, 82614465), (5, 49568679), (9, 27538155), (15, 16522893), (27, 9179385), (45, 5507631), (73, 3395115), (81, 3059795), (83, 2986065), (101, 2453895), (135, 1835877), (219, 1131705), (249, 995355), (303, 817965), (365, 679023), (405, 611959), (415, 597213), (505, 490779), (657, 377235), (747, 331785), (909, 272655), (1095, 226341), (1245, 199071), (1515, 163593), (1971, 125745), (2241, 110595), (2727, 90885), (3285, 75447), (3735, 66357), (4545, 54531), (5913, 41915), (6059, 40905), (6723, 36865), (7373, 33615), (8181, 30295), (8383, 29565), (9855, 25149), (11205, 22119), (13635, 18177)]