320385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 32

約数和(自身を含む): 580608

約数和(自身を除く): 260223

約数列:

[1, 3, 5, 13, 15, 31, 39, 53, 65, 93, 155, 159, 195, 265, 403, 465, 689, 795, 1209, 1643, 2015, 2067, 3445, 4929, 6045, 8215, 10335, 21359, 24645, 64077, 106795, 320385]

約数ペア:

[(1, 320385), (3, 106795), (5, 64077), (13, 24645), (15, 21359), (31, 10335), (39, 8215), (53, 6045), (65, 4929), (93, 3445), (155, 2067), (159, 2015), (195, 1643), (265, 1209), (403, 795), (465, 689)]