1978743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 2872800

約数和(自身を除く): 894057

約数列:

[1, 3, 13, 39, 113, 339, 449, 1347, 1469, 4407, 5837, 17511, 50737, 152211, 659581, 1978743]

約数ペア:

[(1, 1978743), (3, 659581), (13, 152211), (39, 50737), (113, 17511), (339, 5837), (449, 4407), (1347, 1469)]