16780065

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21107}}^1$

素因数の和:21168

約数の個数: 16

約数和(自身を含む): 27355968

約数和(自身を除く): 10575903

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 21107, 63321, 105535, 316605, 1118671, 3356013, 5593355, 16780065]

約数ペア:

[(1, 16780065), (3, 5593355), (5, 3356013), (15, 1118671), (53, 316605), (159, 105535), (265, 63321), (795, 21107)]