157400253

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{45191}}^1$

素因数の和:45246

約数の個数: 20

約数和(自身を含む): 240602208

約数和(自身を除く): 83201955

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 45191, 135573, 406719, 1220157, 1943213, 3660471, 5829639, 17488917, 52466751, 157400253]

約数ペア:

[(1, 157400253), (3, 52466751), (9, 17488917), (27, 5829639), (43, 3660471), (81, 1943213), (129, 1220157), (387, 406719), (1161, 135573), (3483, 45191)]