28402521

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5659}}^1$

素因数の和:5908

約数の個数: 16

約数和(自身を含む): 43468800

約数和(自身を除く): 15066279

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 5659, 16977, 39613, 118839, 1352501, 4057503, 9467507, 28402521]

約数ペア:

[(1, 28402521), (3, 9467507), (7, 4057503), (21, 1352501), (239, 118839), (717, 39613), (1673, 16977), (5019, 5659)]