201991965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1381}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 378115200

約数和(自身を除く): 176123235

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 199, 245, 597, 735, 995, 1381, 1393, 2985, 4143, 4179, 6905, 6965, 9667, 9751, 20715, 20895, 29001, 29253, 48335, 48755, 67669, 145005, 146265, 203007, 274819, 338345, 824457, 1015035, 1374095, 1923733, 4122285, 5771199, 9618665, 13466131, 28855995, 40398393, 67330655, 201991965]

約数ペア:

[(1, 201991965), (3, 67330655), (5, 40398393), (7, 28855995), (15, 13466131), (21, 9618665), (35, 5771199), (49, 4122285), (105, 1923733), (147, 1374095), (199, 1015035), (245, 824457), (597, 338345), (735, 274819), (995, 203007), (1381, 146265), (1393, 145005), (2985, 67669), (4143, 48755), (4179, 48335), (6905, 29253), (6965, 29001), (9667, 20895), (9751, 20715)]