71919693

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9781}}^1$

素因数の和:9849

約数の個数: 24

約数和(自身を含む): 111906080

約数和(自身を除く): 39986387

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 9781, 29343, 88029, 185839, 420583, 557517, 1261749, 1672551, 3785247, 7991077, 23973231, 71919693]

約数ペア:

[(1, 71919693), (3, 23973231), (9, 7991077), (19, 3785247), (43, 1672551), (57, 1261749), (129, 557517), (171, 420583), (387, 185839), (817, 88029), (2451, 29343), (7353, 9781)]