2890485

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 56

約数和(自身を含む): 5692344

約数和(自身を除く): 2801859

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 81, 117, 135, 183, 195, 243, 305, 351, 405, 549, 585, 729, 793, 915, 1053, 1215, 1647, 1755, 2379, 2745, 3159, 3645, 3965, 4941, 5265, 7137, 8235, 9477, 11895, 14823, 15795, 21411, 24705, 35685, 44469, 47385, 64233, 74115, 107055, 192699, 222345, 321165, 578097, 963495, 2890485]

約数ペア:

[(1, 2890485), (3, 963495), (5, 578097), (9, 321165), (13, 222345), (15, 192699), (27, 107055), (39, 74115), (45, 64233), (61, 47385), (65, 44469), (81, 35685), (117, 24705), (135, 21411), (183, 15795), (195, 14823), (243, 11895), (305, 9477), (351, 8235), (405, 7137), (549, 5265), (585, 4941), (729, 3965), (793, 3645), (915, 3159), (1053, 2745), (1215, 2379), (1647, 1755)]