289130163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2887}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 465776640

約数和(自身を除く): 176646477

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 753, 1757, 2887, 4769, 5271, 8661, 14307, 20209, 33383, 54853, 60627, 100149, 164559, 383971, 724637, 1151913, 2173911, 5072459, 13768103, 15217377, 41304309, 96376721, 289130163]

約数ペア:

[(1, 289130163), (3, 96376721), (7, 41304309), (19, 15217377), (21, 13768103), (57, 5072459), (133, 2173911), (251, 1151913), (399, 724637), (753, 383971), (1757, 164559), (2887, 100149), (4769, 60627), (5271, 54853), (8661, 33383), (14307, 20209)]