61971217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{42359}}^1$

素因数の和:42396

約数の個数: 16

約数和(自身を含む): 81331200

約数和(自身を除く): 19359983

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 42359, 296513, 465949, 804821, 3261643, 5633747, 8853031, 61971217]

約数ペア:

[(1, 61971217), (7, 8853031), (11, 5633747), (19, 3261643), (77, 804821), (133, 465949), (209, 296513), (1463, 42359)]