142730217

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{4451}}^1$

素因数の和:4973

約数の個数: 24

約数和(自身を含む): 236134080

約数和(自身を除く): 93403863

約数列:

[1, 3, 7, 9, 21, 63, 509, 1527, 3563, 4451, 4581, 10689, 13353, 31157, 32067, 40059, 93471, 280413, 2265559, 6796677, 15858913, 20390031, 47576739, 142730217]

約数ペア:

[(1, 142730217), (3, 47576739), (7, 20390031), (9, 15858913), (21, 6796677), (63, 2265559), (509, 280413), (1527, 93471), (3563, 40059), (4451, 32067), (4581, 31157), (10689, 13353)]