291286105521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{39887}}^1\times {\mathrm{128119}}^1$

素因数の和:168028

約数の個数: 16

約数和(自身を含む): 408836044800

約数和(自身を除く): 117549939279

約数列:

[1, 3, 19, 57, 39887, 119661, 128119, 384357, 757853, 2273559, 2434261, 7302783, 5110282553, 15330847659, 97095368507, 291286105521]

約数ペア:

[(1, 291286105521), (3, 97095368507), (19, 15330847659), (57, 5110282553), (39887, 7302783), (119661, 2434261), (128119, 2273559), (384357, 757853)]