78291171

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 145322640

約数和(自身を除く): 67031469

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 59, 63, 119, 147, 153, 177, 189, 357, 413, 441, 459, 531, 833, 1003, 1071, 1239, 1323, 1593, 2499, 2891, 3009, 3213, 3481, 3717, 7021, 7497, 8673, 9027, 10443, 11151, 21063, 22491, 24367, 26019, 27081, 31329, 49147, 59177, 63189, 73101, 78057, 93987, 147441, 170569, 177531, 189567, 219303, 414239, 442323, 511707, 532593, 657909, 1242717, 1326969, 1535121, 1597779, 2899673, 3728151, 4605363, 8699019, 11184453, 26097057, 78291171]

約数ペア:

[(1, 78291171), (3, 26097057), (7, 11184453), (9, 8699019), (17, 4605363), (21, 3728151), (27, 2899673), (49, 1597779), (51, 1535121), (59, 1326969), (63, 1242717), (119, 657909), (147, 532593), (153, 511707), (177, 442323), (189, 414239), (357, 219303), (413, 189567), (441, 177531), (459, 170569), (531, 147441), (833, 93987), (1003, 78057), (1071, 73101), (1239, 63189), (1323, 59177), (1593, 49147), (2499, 31329), (2891, 27081), (3009, 26019), (3213, 24367), (3481, 22491), (3717, 21063), (7021, 11151), (7497, 10443), (8673, 9027)]