1393863219

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{52553}}^1$

素因数の和:52987

約数の個数: 24

約数和(自身を含む): 2306489952

約数和(自身を除く): 912626733

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 8841, 26523, 52553, 157659, 367871, 472977, 1103613, 3310839, 22124813, 66374439, 154873691, 199123317, 464621073, 1393863219]

約数ペア:

[(1, 1393863219), (3, 464621073), (7, 199123317), (9, 154873691), (21, 66374439), (63, 22124813), (421, 3310839), (1263, 1103613), (2947, 472977), (3789, 367871), (8841, 157659), (26523, 52553)]