156942038757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393338443}}^1$

素因数の和:393338472

約数の個数: 16

約数和(自身を含む): 251736604160

約数和(自身を除く): 94794565403

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393338443, 1180015329, 2753369101, 7473430417, 8260107303, 22420291251, 52314012919, 156942038757]

約数ペア:

[(1, 156942038757), (3, 52314012919), (7, 22420291251), (19, 8260107303), (21, 7473430417), (57, 2753369101), (133, 1180015329), (399, 393338443)]