1931931

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 40

約数和(自身を含む): 3240864

約数和(自身を除く): 1308933

約数列:

[1, 3, 9, 17, 23, 27, 51, 61, 69, 81, 153, 183, 207, 391, 459, 549, 621, 1037, 1173, 1377, 1403, 1647, 1863, 3111, 3519, 4209, 4941, 9333, 10557, 12627, 23851, 27999, 31671, 37881, 71553, 83997, 113643, 214659, 643977, 1931931]

約数ペア:

[(1, 1931931), (3, 643977), (9, 214659), (17, 113643), (23, 83997), (27, 71553), (51, 37881), (61, 31671), (69, 27999), (81, 23851), (153, 12627), (183, 10557), (207, 9333), (391, 4941), (459, 4209), (549, 3519), (621, 3111), (1037, 1863), (1173, 1647), (1377, 1403)]