203478021

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{175261}}^1$

素因数の和:175313

約数の個数: 16

約数和(自身を含む): 308461120

約数和(自身を除く): 104983099

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 175261, 525783, 1577349, 4732047, 7536223, 22608669, 67826007, 203478021]

約数ペア:

[(1, 203478021), (3, 67826007), (9, 22608669), (27, 7536223), (43, 4732047), (129, 1577349), (387, 525783), (1161, 175261)]