81618921

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59273}}^1$

素因数の和:59302

約数の個数: 20

約数和(自身を含む): 129098772

約数和(自身を除く): 47479851

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 59273, 177819, 533457, 1007641, 1600371, 3022923, 4801113, 9068769, 27206307, 81618921]

約数ペア:

[(1, 81618921), (3, 27206307), (9, 9068769), (17, 4801113), (27, 3022923), (51, 1600371), (81, 1007641), (153, 533457), (459, 177819), (1377, 59273)]