28682745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21013}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 56485632

約数和(自身を除く): 27802887

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21013, 63039, 105065, 147091, 273169, 315195, 441273, 735455, 819507, 1365845, 1912183, 2206365, 4097535, 5736549, 9560915, 28682745]

約数ペア:

[(1, 28682745), (3, 9560915), (5, 5736549), (7, 4097535), (13, 2206365), (15, 1912183), (21, 1365845), (35, 819507), (39, 735455), (65, 441273), (91, 315195), (105, 273169), (195, 147091), (273, 105065), (455, 63039), (1365, 21013)]