389105025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 671052288

約数和(自身を除く): 281947263

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 101, 155, 303, 465, 505, 775, 1515, 1657, 2325, 2525, 3131, 4971, 7575, 8285, 9393, 15655, 24855, 41425, 46965, 51367, 78275, 124275, 154101, 167357, 234825, 256835, 502071, 770505, 836785, 1284175, 2510355, 3852525, 4183925, 5188067, 12551775, 15564201, 25940335, 77821005, 129701675, 389105025]

約数ペア:

[(1, 389105025), (3, 129701675), (5, 77821005), (15, 25940335), (25, 15564201), (31, 12551775), (75, 5188067), (93, 4183925), (101, 3852525), (155, 2510355), (303, 1284175), (465, 836785), (505, 770505), (775, 502071), (1515, 256835), (1657, 234825), (2325, 167357), (2525, 154101), (3131, 124275), (4971, 78275), (7575, 51367), (8285, 46965), (9393, 41425), (15655, 24855)]