216649665

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{12703}}^1$

素因数の和:13093

約数の個数: 24

約数和(自身を含む): 376546560

約数和(自身を除く): 159896895

約数列:

[1, 3, 5, 9, 15, 45, 379, 1137, 1895, 3411, 5685, 12703, 17055, 38109, 63515, 114327, 190545, 571635, 4814437, 14443311, 24072185, 43329933, 72216555, 216649665]

約数ペア:

[(1, 216649665), (3, 72216555), (5, 43329933), (9, 24072185), (15, 14443311), (45, 4814437), (379, 571635), (1137, 190545), (1895, 114327), (3411, 63515), (5685, 38109), (12703, 17055)]