291287139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11131}}^1$

素因数の和:11219

約数の個数: 32

約数和(自身を含む): 463803648

約数和(自身を除く): 172516509

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 793, 2013, 2379, 8723, 11131, 26169, 33393, 122441, 144703, 367323, 434109, 678991, 1591733, 2036973, 4775199, 7468901, 8826883, 22406703, 26480649, 97095713, 291287139]

約数ペア:

[(1, 291287139), (3, 97095713), (11, 26480649), (13, 22406703), (33, 8826883), (39, 7468901), (61, 4775199), (143, 2036973), (183, 1591733), (429, 678991), (671, 434109), (793, 367323), (2013, 144703), (2379, 122441), (8723, 33393), (11131, 26169)]