139214973891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{348909709}}^1$

素因数の和:348909738

約数の個数: 16

約数和(自身を含む): 223302214400

約数和(自身を除く): 84087240509

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 348909709, 1046729127, 2442367963, 6629284471, 7327103889, 19887853413, 46404991297, 139214973891]

約数ペア:

[(1, 139214973891), (3, 46404991297), (7, 19887853413), (19, 7327103889), (21, 6629284471), (57, 2442367963), (133, 1046729127), (399, 348909709)]