42640803

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{19991}}^1$

素因数の和:20079

約数の個数: 16

約数和(自身を含む): 63974400

約数和(自身を除く): 21333597

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 19991, 59973, 179919, 539757, 1579289, 4737867, 14213601, 42640803]

約数ペア:

[(1, 42640803), (3, 14213601), (9, 4737867), (27, 1579289), (79, 539757), (237, 179919), (711, 59973), (2133, 19991)]