1589355

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 2886720

約数和(自身を除く): 1297365

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 193, 305, 549, 579, 915, 965, 1647, 1737, 2745, 2895, 5211, 8235, 8685, 11773, 26055, 35319, 58865, 105957, 176595, 317871, 529785, 1589355]

約数ペア:

[(1, 1589355), (3, 529785), (5, 317871), (9, 176595), (15, 105957), (27, 58865), (45, 35319), (61, 26055), (135, 11773), (183, 8685), (193, 8235), (305, 5211), (549, 2895), (579, 2745), (915, 1737), (965, 1647)]