3990285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 7862400

約数和(自身を除く): 3872115

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 359, 585, 741, 855, 1077, 1235, 1795, 2223, 3231, 3705, 4667, 5385, 6821, 11115, 14001, 16155, 20463, 23335, 34105, 42003, 61389, 70005, 88673, 102315, 210015, 266019, 306945, 443365, 798057, 1330095, 3990285]

約数ペア:

[(1, 3990285), (3, 1330095), (5, 798057), (9, 443365), (13, 306945), (15, 266019), (19, 210015), (39, 102315), (45, 88673), (57, 70005), (65, 61389), (95, 42003), (117, 34105), (171, 23335), (195, 20463), (247, 16155), (285, 14001), (359, 11115), (585, 6821), (741, 5385), (855, 4667), (1077, 3705), (1235, 3231), (1795, 2223)]