129619503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20903}}^1$

素因数の和:20975

約数の個数: 24

約数和(自身を含む): 205444512

約数和(自身を除く): 75825009

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 20903, 62709, 188127, 271739, 815217, 1107859, 2445651, 3323577, 9970731, 14402167, 43206501, 129619503]

約数ペア:

[(1, 129619503), (3, 43206501), (9, 14402167), (13, 9970731), (39, 3323577), (53, 2445651), (117, 1107859), (159, 815217), (477, 271739), (689, 188127), (2067, 62709), (6201, 20903)]