211156968975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{51131}}^1$

素因数の和:51281

約数の個数: 96

約数和(自身を含む): 383465456640

約数和(自身を除く): 172308487665

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 79, 85, 123, 205, 237, 255, 395, 425, 615, 697, 1025, 1185, 1275, 1343, 1975, 2091, 3075, 3239, 3485, 4029, 5925, 6715, 9717, 10455, 16195, 17425, 20145, 33575, 48585, 51131, 52275, 55063, 80975, 100725, 153393, 165189, 242925, 255655, 275315, 766965, 825945, 869227, 1278275, 1376575, 2096371, 2607681, 3834825, 4039349, 4129725, 4346135, 6289113, 10481855, 12118047, 13038405, 20196745, 21730675, 31445565, 35638307, 52409275, 60590235, 65192025, 68668933, 100983725, 106914921, 157227825, 165613309, 178191535, 206006799, 302951175, 343344665, 496839927, 534574605, 828066545, 890957675, 1030033995, 1716723325, 2484199635, 2672873025, 2815426253, 4140332725, 5150169975, 8446278759, 12420998175, 14077131265, 42231393795, 70385656325, 211156968975]

約数ペア:

[(1, 211156968975), (3, 70385656325), (5, 42231393795), (15, 14077131265), (17, 12420998175), (25, 8446278759), (41, 5150169975), (51, 4140332725), (75, 2815426253), (79, 2672873025), (85, 2484199635), (123, 1716723325), (205, 1030033995), (237, 890957675), (255, 828066545), (395, 534574605), (425, 496839927), (615, 343344665), (697, 302951175), (1025, 206006799), (1185, 178191535), (1275, 165613309), (1343, 157227825), (1975, 106914921), (2091, 100983725), (3075, 68668933), (3239, 65192025), (3485, 60590235), (4029, 52409275), (5925, 35638307), (6715, 31445565), (9717, 21730675), (10455, 20196745), (16195, 13038405), (17425, 12118047), (20145, 10481855), (33575, 6289113), (48585, 4346135), (51131, 4129725), (52275, 4039349), (55063, 3834825), (80975, 2607681), (100725, 2096371), (153393, 1376575), (165189, 1278275), (242925, 869227), (255655, 825945), (275315, 766965)]