28478775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29209}}^1$

素因数の和:29235

約数の個数: 24

約数和(自身を含む): 50708560

約数和(自身を除く): 22229785

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 29209, 87627, 146045, 379717, 438135, 730225, 1139151, 1898585, 2190675, 5695755, 9492925, 28478775]

約数ペア:

[(1, 28478775), (3, 9492925), (5, 5695755), (13, 2190675), (15, 1898585), (25, 1139151), (39, 730225), (65, 438135), (75, 379717), (195, 146045), (325, 87627), (975, 29209)]