26666913

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 47480832

約数和(自身を除く): 20813919

約数列:

[1, 3, 7, 13, 21, 23, 31, 39, 69, 91, 93, 137, 161, 217, 273, 299, 403, 411, 483, 651, 713, 897, 959, 1209, 1781, 2093, 2139, 2821, 2877, 3151, 4247, 4991, 5343, 6279, 8463, 9269, 9453, 12467, 12741, 14973, 22057, 27807, 29729, 37401, 40963, 55211, 64883, 66171, 89187, 97681, 122889, 165633, 194649, 286741, 293043, 386477, 683767, 860223, 1159431, 1269853, 2051301, 3809559, 8888971, 26666913]

約数ペア:

[(1, 26666913), (3, 8888971), (7, 3809559), (13, 2051301), (21, 1269853), (23, 1159431), (31, 860223), (39, 683767), (69, 386477), (91, 293043), (93, 286741), (137, 194649), (161, 165633), (217, 122889), (273, 97681), (299, 89187), (403, 66171), (411, 64883), (483, 55211), (651, 40963), (713, 37401), (897, 29729), (959, 27807), (1209, 22057), (1781, 14973), (2093, 12741), (2139, 12467), (2821, 9453), (2877, 9269), (3151, 8463), (4247, 6279), (4991, 5343)]