291230715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{6073}}^1$

素因数の和:6243

約数の個数: 32

約数和(自身を含む): 489807360

約数和(自身を除く): 198576645

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 695, 2085, 3197, 6073, 9591, 15985, 18219, 30365, 47955, 91095, 139679, 419037, 698395, 844147, 2095185, 2532441, 4220735, 12662205, 19415381, 58246143, 97076905, 291230715]

約数ペア:

[(1, 291230715), (3, 97076905), (5, 58246143), (15, 19415381), (23, 12662205), (69, 4220735), (115, 2532441), (139, 2095185), (345, 844147), (417, 698395), (695, 419037), (2085, 139679), (3197, 91095), (6073, 47955), (9591, 30365), (15985, 18219)]