2189775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 4277504

約数和(自身を除く): 2087729

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 97, 105, 129, 175, 215, 291, 301, 485, 525, 645, 679, 903, 1075, 1455, 1505, 2037, 2425, 3225, 3395, 4171, 4515, 7275, 7525, 10185, 12513, 16975, 20855, 22575, 29197, 50925, 62565, 87591, 104275, 145985, 312825, 437955, 729925, 2189775]

約数ペア:

[(1, 2189775), (3, 729925), (5, 437955), (7, 312825), (15, 145985), (21, 104275), (25, 87591), (35, 62565), (43, 50925), (75, 29197), (97, 22575), (105, 20855), (129, 16975), (175, 12513), (215, 10185), (291, 7525), (301, 7275), (485, 4515), (525, 4171), (645, 3395), (679, 3225), (903, 2425), (1075, 2037), (1455, 1505)]