211679625

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 369008640

約数和(自身を除く): 157329015

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 131, 139, 155, 375, 393, 417, 465, 655, 695, 775, 1965, 2085, 2325, 3275, 3475, 3875, 4061, 4309, 9825, 10425, 11625, 12183, 12927, 16375, 17375, 18209, 20305, 21545, 49125, 52125, 54627, 60915, 64635, 91045, 101525, 107725, 273135, 304575, 323175, 455225, 507625, 538625, 564479, 1365675, 1522875, 1615875, 1693437, 2276125, 2822395, 6828375, 8467185, 14111975, 42335925, 70559875, 211679625]

約数ペア:

[(1, 211679625), (3, 70559875), (5, 42335925), (15, 14111975), (25, 8467185), (31, 6828375), (75, 2822395), (93, 2276125), (125, 1693437), (131, 1615875), (139, 1522875), (155, 1365675), (375, 564479), (393, 538625), (417, 507625), (465, 455225), (655, 323175), (695, 304575), (775, 273135), (1965, 107725), (2085, 101525), (2325, 91045), (3275, 64635), (3475, 60915), (3875, 54627), (4061, 52125), (4309, 49125), (9825, 21545), (10425, 20305), (11625, 18209), (12183, 17375), (12927, 16375)]