80268885

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21491}}^1$

素因数の和:21585

約数の個数: 24

約数和(自身を含む): 140815584

約数和(自身を除く): 60546699

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21491, 64473, 107455, 193419, 322365, 967095, 1783753, 5351259, 8918765, 16053777, 26756295, 80268885]

約数ペア:

[(1, 80268885), (3, 26756295), (5, 16053777), (9, 8918765), (15, 5351259), (45, 1783753), (83, 967095), (249, 322365), (415, 193419), (747, 107455), (1245, 64473), (3735, 21491)]