28438515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90281}}^1$

素因数の和:90299

約数の個数: 24

約数和(自身を含む): 56335968

約数和(自身を除く): 27897453

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90281, 270843, 451405, 631967, 812529, 1354215, 1895901, 3159835, 4062645, 5687703, 9479505, 28438515]

約数ペア:

[(1, 28438515), (3, 9479505), (5, 5687703), (7, 4062645), (9, 3159835), (15, 1895901), (21, 1354215), (35, 812529), (45, 631967), (63, 451405), (105, 270843), (315, 90281)]