80381925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27481}}^1$

素因数の和:27510

約数の個数: 36

約数和(自身を含む): 155053444

約数和(自身を除く): 74671519

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 27481, 82443, 137405, 247329, 357253, 412215, 687025, 1071759, 1236645, 1786265, 2061075, 3215277, 5358795, 6183225, 8931325, 16076385, 26793975, 80381925]

約数ペア:

[(1, 80381925), (3, 26793975), (5, 16076385), (9, 8931325), (13, 6183225), (15, 5358795), (25, 3215277), (39, 2061075), (45, 1786265), (65, 1236645), (75, 1071759), (117, 687025), (195, 412215), (225, 357253), (325, 247329), (585, 137405), (975, 82443), (2925, 27481)]