28174419

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11467}}^1$

素因数の和:11496

約数の個数: 32

約数和(自身を含む): 51376640

約数和(自身を除く): 23202221

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 11467, 34401, 80269, 103203, 149071, 240807, 309609, 447213, 722421, 1043497, 1341639, 2167263, 3130491, 4024917, 9391473, 28174419]

約数ペア:

[(1, 28174419), (3, 9391473), (7, 4024917), (9, 3130491), (13, 2167263), (21, 1341639), (27, 1043497), (39, 722421), (63, 447213), (91, 309609), (117, 240807), (189, 149071), (273, 103203), (351, 80269), (819, 34401), (2457, 11467)]