289849677

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4507}}^1$

素因数の和:4637

約数の個数: 32

約数和(自身を含む): 445318272

約数和(自身を除く): 155468595

約数列:

[1, 3, 13, 17, 39, 51, 97, 221, 291, 663, 1261, 1649, 3783, 4507, 4947, 13521, 21437, 58591, 64311, 76619, 175773, 229857, 437179, 996047, 1311537, 2988141, 5683327, 7432043, 17049981, 22296129, 96616559, 289849677]

約数ペア:

[(1, 289849677), (3, 96616559), (13, 22296129), (17, 17049981), (39, 7432043), (51, 5683327), (97, 2988141), (221, 1311537), (291, 996047), (663, 437179), (1261, 229857), (1649, 175773), (3783, 76619), (4507, 64311), (4947, 58591), (13521, 21437)]