151905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 32

約数和(自身を含む): 282240

約数和(自身を除く): 130335

約数列:

[1, 3, 5, 13, 15, 19, 39, 41, 57, 65, 95, 123, 195, 205, 247, 285, 533, 615, 741, 779, 1235, 1599, 2337, 2665, 3705, 3895, 7995, 10127, 11685, 30381, 50635, 151905]

約数ペア:

[(1, 151905), (3, 50635), (5, 30381), (13, 11685), (15, 10127), (19, 7995), (39, 3895), (41, 3705), (57, 2665), (65, 2337), (95, 1599), (123, 1235), (195, 779), (205, 741), (247, 615), (285, 533)]