31320315

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 60086208

約数和(自身を除く): 28765893

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1443, 1447, 1665, 2405, 4329, 4341, 7215, 7235, 13023, 18811, 21645, 21705, 53539, 56433, 65115, 94055, 160617, 169299, 267695, 282165, 481851, 696007, 803085, 846495, 2088021, 2409255, 3480035, 6264063, 10440105, 31320315]

約数ペア:

[(1, 31320315), (3, 10440105), (5, 6264063), (9, 3480035), (13, 2409255), (15, 2088021), (37, 846495), (39, 803085), (45, 696007), (65, 481851), (111, 282165), (117, 267695), (185, 169299), (195, 160617), (333, 94055), (481, 65115), (555, 56433), (585, 53539), (1443, 21705), (1447, 21645), (1665, 18811), (2405, 13023), (4329, 7235), (4341, 7215)]