80400195

素因数分解:

$3^5\times 5^1\times {\mathrm{66173}}^1$

素因数の和:66193

約数の個数: 24

約数和(自身を含む): 144524016

約数和(自身を除く): 64123821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 66173, 198519, 330865, 595557, 992595, 1786671, 2977785, 5360013, 8933355, 16080039, 26800065, 80400195]

約数ペア:

[(1, 80400195), (3, 26800065), (5, 16080039), (9, 8933355), (15, 5360013), (27, 2977785), (45, 1786671), (81, 992595), (135, 595557), (243, 330865), (405, 198519), (1215, 66173)]