489646977

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 706252800

約数和(自身を除く): 216605823

約数列:

[1, 3, 23, 43, 69, 79, 129, 237, 989, 1817, 2089, 2967, 3397, 5451, 6267, 10191, 48047, 78131, 89827, 144141, 165031, 234393, 269481, 495093, 2066021, 3795713, 6198063, 7096333, 11387139, 21288999, 163215659, 489646977]

約数ペア:

[(1, 489646977), (3, 163215659), (23, 21288999), (43, 11387139), (69, 7096333), (79, 6198063), (129, 3795713), (237, 2066021), (989, 495093), (1817, 269481), (2089, 234393), (2967, 165031), (3397, 144141), (5451, 89827), (6267, 78131), (10191, 48047)]