9720305

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 14376960

約数和(自身を除く): 4656655

約数列:

[1, 5, 7, 19, 35, 47, 95, 133, 235, 311, 329, 665, 893, 1555, 1645, 2177, 4465, 5909, 6251, 10885, 14617, 29545, 31255, 41363, 73085, 102319, 206815, 277723, 511595, 1388615, 1944061, 9720305]

約数ペア:

[(1, 9720305), (5, 1944061), (7, 1388615), (19, 511595), (35, 277723), (47, 206815), (95, 102319), (133, 73085), (235, 41363), (311, 31255), (329, 29545), (665, 14617), (893, 10885), (1555, 6251), (1645, 5909), (2177, 4465)]