71684397

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9749}}^1$

素因数の和:9817

約数の個数: 24

約数和(自身を含む): 111540000

約数和(自身を除く): 39855603

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 9749, 29247, 87741, 185231, 419207, 555693, 1257621, 1667079, 3772863, 7964933, 23894799, 71684397]

約数ペア:

[(1, 71684397), (3, 23894799), (9, 7964933), (19, 3772863), (43, 1667079), (57, 1257621), (129, 555693), (171, 419207), (387, 185231), (817, 87741), (2451, 29247), (7353, 9749)]