131247405

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13693}}^1$

素因数の和:13778

約数の個数: 32

約数和(自身を含む): 236632320

約数和(自身を除く): 105384915

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 13693, 41079, 68465, 123237, 205395, 369711, 616185, 972203, 1848555, 2916609, 4861015, 8749827, 14583045, 26249481, 43749135, 131247405]

約数ペア:

[(1, 131247405), (3, 43749135), (5, 26249481), (9, 14583045), (15, 8749827), (27, 4861015), (45, 2916609), (71, 1848555), (135, 972203), (213, 616185), (355, 369711), (639, 205395), (1065, 123237), (1917, 68465), (3195, 41079), (9585, 13693)]