212357409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 335978496

約数和(自身を除く): 123621087

約数列:

[1, 3, 11, 31, 33, 41, 61, 83, 93, 123, 183, 249, 341, 451, 671, 913, 1023, 1271, 1353, 1891, 2013, 2501, 2573, 2739, 3403, 3813, 5063, 5673, 7503, 7719, 10209, 13981, 15189, 20801, 27511, 28303, 37433, 41943, 55693, 62403, 77531, 82533, 84909, 105493, 112299, 156953, 167079, 207583, 232593, 316479, 470859, 622749, 852841, 1160423, 1726483, 2283413, 2558523, 3481269, 5179449, 6435073, 6850239, 19305219, 70785803, 212357409]

約数ペア:

[(1, 212357409), (3, 70785803), (11, 19305219), (31, 6850239), (33, 6435073), (41, 5179449), (61, 3481269), (83, 2558523), (93, 2283413), (123, 1726483), (183, 1160423), (249, 852841), (341, 622749), (451, 470859), (671, 316479), (913, 232593), (1023, 207583), (1271, 167079), (1353, 156953), (1891, 112299), (2013, 105493), (2501, 84909), (2573, 82533), (2739, 77531), (3403, 62403), (3813, 55693), (5063, 41943), (5673, 37433), (7503, 28303), (7719, 27511), (10209, 20801), (13981, 15189)]