201979167

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 306948096

約数和(自身を除く): 104968929

約数列:

[1, 3, 13, 31, 39, 71, 93, 169, 181, 213, 403, 507, 543, 923, 1209, 2201, 2353, 2769, 5239, 5611, 6603, 7059, 11999, 12851, 15717, 16833, 28613, 30589, 35997, 38553, 72943, 85839, 91767, 167063, 218829, 371969, 398381, 501189, 948259, 1115907, 1195143, 2171819, 2844777, 5178953, 6515457, 15536859, 67326389, 201979167]

約数ペア:

[(1, 201979167), (3, 67326389), (13, 15536859), (31, 6515457), (39, 5178953), (71, 2844777), (93, 2171819), (169, 1195143), (181, 1115907), (213, 948259), (403, 501189), (507, 398381), (543, 371969), (923, 218829), (1209, 167063), (2201, 91767), (2353, 85839), (2769, 72943), (5239, 38553), (5611, 35997), (6603, 30589), (7059, 28613), (11999, 16833), (12851, 15717)]