221298339

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{90289}}^1$

素因数の和:90354

約数の個数: 16

約数和(自身を含む): 317820800

約数和(自身を除く): 96522461

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 90289, 270867, 1715491, 3882427, 5146473, 11647281, 73766113, 221298339]

約数ペア:

[(1, 221298339), (3, 73766113), (19, 11647281), (43, 5146473), (57, 3882427), (129, 1715491), (817, 270867), (2451, 90289)]