287718477

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^2$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 407492544

約数和(自身を除く): 119774067

約数列:

[1, 3, 23, 69, 73, 219, 239, 717, 1679, 5037, 5497, 16491, 17447, 52341, 57121, 171363, 401281, 1203843, 1313783, 3941349, 4169833, 12509499, 95906159, 287718477]

約数ペア:

[(1, 287718477), (3, 95906159), (23, 12509499), (69, 4169833), (73, 3941349), (219, 1313783), (239, 1203843), (717, 401281), (1679, 171363), (5037, 57121), (5497, 52341), (16491, 17447)]