127751013

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{121321}}^1$

素因数の和:121346

約数の個数: 20

約数和(自身を含む): 205519468

約数和(自身を除く): 77768455

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 121321, 363963, 1091889, 1577173, 3275667, 4731519, 9827001, 14194557, 42583671, 127751013]

約数ペア:

[(1, 127751013), (3, 42583671), (9, 14194557), (13, 9827001), (27, 4731519), (39, 3275667), (81, 1577173), (117, 1091889), (351, 363963), (1053, 121321)]