18281715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71693}}^1$

素因数の和:71718

約数の個数: 16

約数和(自身を含む): 30971808

約数和(自身を除く): 12690093

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 71693, 215079, 358465, 1075395, 1218781, 3656343, 6093905, 18281715]

約数ペア:

[(1, 18281715), (3, 6093905), (5, 3656343), (15, 1218781), (17, 1075395), (51, 358465), (85, 215079), (255, 71693)]