1395266187

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{216421}}^1$

素因数の和:216738

約数の個数: 16

約数和(自身を含む): 2133055232

約数和(自身を除く): 737789045

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 216421, 649263, 1514947, 4544841, 66441247, 199323741, 465088729, 1395266187]

約数ペア:

[(1, 1395266187), (3, 465088729), (7, 199323741), (21, 66441247), (307, 4544841), (921, 1514947), (2149, 649263), (6447, 216421)]