28624659

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71741}}^1$

素因数の和:71770

約数の個数: 16

約数和(自身を含む): 45914880

約数和(自身を除く): 17290221

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71741, 215223, 502187, 1363079, 1506561, 4089237, 9541553, 28624659]

約数ペア:

[(1, 28624659), (3, 9541553), (7, 4089237), (19, 1506561), (21, 1363079), (57, 502187), (133, 215223), (399, 71741)]