290465229

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{26813}}^1$

素因数の和:26996

約数の個数: 16

約数和(自身を含む): 406714752

約数和(自身を除く): 116249523

約数列:

[1, 3, 23, 69, 157, 471, 3611, 10833, 26813, 80439, 616699, 1850097, 4209641, 12628923, 96821743, 290465229]

約数ペア:

[(1, 290465229), (3, 96821743), (23, 12628923), (69, 4209641), (157, 1850097), (471, 616699), (3611, 80439), (10833, 26813)]