139604805

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 249350400

約数和(自身を除く): 109745595

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 149, 235, 423, 443, 447, 705, 745, 1329, 1341, 2115, 2215, 2235, 3987, 6645, 6705, 7003, 19935, 20821, 21009, 35015, 62463, 63027, 66007, 104105, 105045, 187389, 198021, 312315, 315135, 330035, 594063, 936945, 990105, 2970315, 3102329, 9306987, 15511645, 27920961, 46534935, 139604805]

約数ペア:

[(1, 139604805), (3, 46534935), (5, 27920961), (9, 15511645), (15, 9306987), (45, 3102329), (47, 2970315), (141, 990105), (149, 936945), (235, 594063), (423, 330035), (443, 315135), (447, 312315), (705, 198021), (745, 187389), (1329, 105045), (1341, 104105), (2115, 66007), (2215, 63027), (2235, 62463), (3987, 35015), (6645, 21009), (6705, 20821), (7003, 19935)]