138503787

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 200171520

約数和(自身を除く): 61667733

約数列:

[1, 3, 19, 53, 57, 127, 159, 361, 381, 1007, 1083, 2413, 3021, 6731, 6859, 7239, 19133, 20193, 20577, 45847, 57399, 127889, 137541, 363527, 383667, 871093, 1090581, 2429891, 2613279, 7289673, 46167929, 138503787]

約数ペア:

[(1, 138503787), (3, 46167929), (19, 7289673), (53, 2613279), (57, 2429891), (127, 1090581), (159, 871093), (361, 383667), (381, 363527), (1007, 137541), (1083, 127889), (2413, 57399), (3021, 45847), (6731, 20577), (6859, 20193), (7239, 19133)]