238331379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17921}}^1$

素因数の和:17979

約数の個数: 32

約数和(自身を含む): 385394688

約数和(自身を除く): 147063309

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 4433, 13299, 17921, 53763, 197131, 232973, 555551, 591393, 698919, 1666653, 2562703, 6111061, 7222163, 7688109, 18333183, 21666489, 79443793, 238331379]

約数ペア:

[(1, 238331379), (3, 79443793), (11, 21666489), (13, 18333183), (31, 7688109), (33, 7222163), (39, 6111061), (93, 2562703), (143, 1666653), (341, 698919), (403, 591393), (429, 555551), (1023, 232973), (1209, 197131), (4433, 53763), (13299, 17921)]