156944506971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393344629}}^1$

素因数の和:393344658

約数の個数: 16

約数和(自身を含む): 251740563200

約数和(自身を除く): 94796056229

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393344629, 1180033887, 2753412403, 7473547951, 8260237209, 22420643853, 52314835657, 156944506971]

約数ペア:

[(1, 156944506971), (3, 52314835657), (7, 22420643853), (19, 8260237209), (21, 7473547951), (57, 2753412403), (133, 1180033887), (399, 393344629)]