28476405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21821}}^1$

素因数の和:21861

約数の個数: 24

約数和(自身を含む): 51063480

約数和(自身を除く): 22587075

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21821, 65463, 109105, 196389, 327315, 632809, 981945, 1898427, 3164045, 5695281, 9492135, 28476405]

約数ペア:

[(1, 28476405), (3, 9492135), (5, 5695281), (9, 3164045), (15, 1898427), (29, 981945), (45, 632809), (87, 327315), (145, 196389), (261, 109105), (435, 65463), (1305, 21821)]