1381395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 2407680

約数和(自身を除く): 1026285

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 131, 185, 285, 393, 555, 655, 703, 1965, 2109, 2489, 3515, 4847, 7467, 10545, 12445, 14541, 24235, 37335, 72705, 92093, 276279, 460465, 1381395]

約数ペア:

[(1, 1381395), (3, 460465), (5, 276279), (15, 92093), (19, 72705), (37, 37335), (57, 24235), (95, 14541), (111, 12445), (131, 10545), (185, 7467), (285, 4847), (393, 3515), (555, 2489), (655, 2109), (703, 1965)]