221031825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9791}}^1$

素因数の和:9854

約数の個数: 48

約数和(自身を含む): 427401216

約数和(自身を除く): 206369391

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 4515, 7525, 9791, 22575, 29373, 48955, 68537, 146865, 205611, 244775, 342685, 421013, 734325, 1028055, 1263039, 1713425, 2105065, 2947091, 5140275, 6315195, 8841273, 10525325, 14735455, 31575975, 44206365, 73677275, 221031825]

約数ペア:

[(1, 221031825), (3, 73677275), (5, 44206365), (7, 31575975), (15, 14735455), (21, 10525325), (25, 8841273), (35, 6315195), (43, 5140275), (75, 2947091), (105, 2105065), (129, 1713425), (175, 1263039), (215, 1028055), (301, 734325), (525, 421013), (645, 342685), (903, 244775), (1075, 205611), (1505, 146865), (3225, 68537), (4515, 48955), (7525, 29373), (9791, 22575)]