16806645

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2851}}^1$

素因数の和:2993

約数の個数: 24

約数和(自身を含む): 29364192

約数和(自身を除く): 12557547

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 2851, 5895, 8553, 14255, 25659, 42765, 128295, 373481, 1120443, 1867405, 3361329, 5602215, 16806645]

約数ペア:

[(1, 16806645), (3, 5602215), (5, 3361329), (9, 1867405), (15, 1120443), (45, 373481), (131, 128295), (393, 42765), (655, 25659), (1179, 14255), (1965, 8553), (2851, 5895)]