15320205

素因数分解:

$3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 27400320

約数和(自身を除く): 12080115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 283, 401, 849, 1203, 1415, 2005, 2547, 3609, 4245, 6015, 7641, 10827, 12735, 18045, 38205, 54135, 113483, 340449, 567415, 1021347, 1702245, 3064041, 5106735, 15320205]

約数ペア:

[(1, 15320205), (3, 5106735), (5, 3064041), (9, 1702245), (15, 1021347), (27, 567415), (45, 340449), (135, 113483), (283, 54135), (401, 38205), (849, 18045), (1203, 12735), (1415, 10827), (2005, 7641), (2547, 6015), (3609, 4245)]