210722589

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 72

約数和(自身を含む): 390536640

約数和(自身を除く): 179814051

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 359, 363, 441, 539, 693, 847, 1077, 1089, 1331, 1617, 2513, 2541, 3231, 3949, 3993, 4851, 5929, 7539, 7623, 9317, 11847, 11979, 17591, 17787, 22617, 27643, 27951, 35541, 43439, 52773, 53361, 65219, 82929, 83853, 130317, 158319, 193501, 195657, 248787, 304073, 390951, 477829, 580503, 586971, 912219, 1433487, 1741509, 2128511, 2736657, 3344803, 4300461, 6385533, 10034409, 19156599, 23413621, 30103227, 70240863, 210722589]

約数ペア:

[(1, 210722589), (3, 70240863), (7, 30103227), (9, 23413621), (11, 19156599), (21, 10034409), (33, 6385533), (49, 4300461), (63, 3344803), (77, 2736657), (99, 2128511), (121, 1741509), (147, 1433487), (231, 912219), (359, 586971), (363, 580503), (441, 477829), (539, 390951), (693, 304073), (847, 248787), (1077, 195657), (1089, 193501), (1331, 158319), (1617, 130317), (2513, 83853), (2541, 82929), (3231, 65219), (3949, 53361), (3993, 52773), (4851, 43439), (5929, 35541), (7539, 27951), (7623, 27643), (9317, 22617), (11847, 17787), (11979, 17591)]