212487639

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 372793344

約数和(自身を除く): 160305705

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 161, 273, 299, 301, 483, 559, 787, 897, 903, 989, 1677, 2093, 2361, 2967, 3913, 5509, 6279, 6923, 10231, 11739, 12857, 16527, 18101, 20769, 30693, 33841, 38571, 54303, 71617, 89999, 101523, 126707, 214851, 235313, 236887, 269997, 380121, 439933, 705939, 710661, 778343, 1319799, 1647191, 2335029, 3079531, 4941573, 5448401, 9238593, 10118459, 16345203, 30355377, 70829213, 212487639]

約数ペア:

[(1, 212487639), (3, 70829213), (7, 30355377), (13, 16345203), (21, 10118459), (23, 9238593), (39, 5448401), (43, 4941573), (69, 3079531), (91, 2335029), (129, 1647191), (161, 1319799), (273, 778343), (299, 710661), (301, 705939), (483, 439933), (559, 380121), (787, 269997), (897, 236887), (903, 235313), (989, 214851), (1677, 126707), (2093, 101523), (2361, 89999), (2967, 71617), (3913, 54303), (5509, 38571), (6279, 33841), (6923, 30693), (10231, 20769), (11739, 18101), (12857, 16527)]