27878487

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6007}}^1$

素因数の和:6047

約数の個数: 32

約数和(自身を含む): 48448512

約数和(自身を除く): 20570025

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 6007, 18021, 42049, 78091, 102119, 126147, 234273, 306357, 546637, 714833, 1327547, 1639911, 2144499, 3982641, 9292829, 27878487]

約数ペア:

[(1, 27878487), (3, 9292829), (7, 3982641), (13, 2144499), (17, 1639911), (21, 1327547), (39, 714833), (51, 546637), (91, 306357), (119, 234273), (221, 126147), (273, 102119), (357, 78091), (663, 42049), (1547, 18021), (4641, 6007)]