16823115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21991}}^1$

素因数の和:22019

約数の個数: 24

約数和(自身を含む): 30876768

約数和(自身を除く): 14053653

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 21991, 65973, 109955, 197919, 329865, 373847, 989595, 1121541, 1869235, 3364623, 5607705, 16823115]

約数ペア:

[(1, 16823115), (3, 5607705), (5, 3364623), (9, 1869235), (15, 1121541), (17, 989595), (45, 373847), (51, 329865), (85, 197919), (153, 109955), (255, 65973), (765, 21991)]