138776421

素因数分解:

$3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{25127}}^1$

素因数の和:25400

約数の個数: 16

約数和(自身を含む): 212281344

約数和(自身を除く): 73504923

約数列:

[1, 3, 7, 21, 263, 789, 1841, 5523, 25127, 75381, 175889, 527667, 6608401, 19825203, 46258807, 138776421]

約数ペア:

[(1, 138776421), (3, 46258807), (7, 19825203), (21, 6608401), (263, 527667), (789, 175889), (1841, 75381), (5523, 25127)]