728341263

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{168247}}^1$

素因数の和:168303

約数の個数: 24

約数和(自身を含む): 1163603168

約数和(自身を除く): 435261905

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 168247, 504741, 1514223, 2187211, 6225139, 6561633, 18675417, 19684899, 56026251, 80926807, 242780421, 728341263]

約数ペア:

[(1, 728341263), (3, 242780421), (9, 80926807), (13, 56026251), (37, 19684899), (39, 18675417), (111, 6561633), (117, 6225139), (333, 2187211), (481, 1514223), (1443, 504741), (4329, 168247)]