187875261

素因数分解:

$3^3\times 7^2\times {\mathrm{142007}}^1$

素因数の和:142030

約数の個数: 24

約数和(自身を含む): 323778240

約数和(自身を除く): 135902979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 142007, 426021, 994049, 1278063, 2982147, 3834189, 6958343, 8946441, 20875029, 26839323, 62625087, 187875261]

約数ペア:

[(1, 187875261), (3, 62625087), (7, 26839323), (9, 20875029), (21, 8946441), (27, 6958343), (49, 3834189), (63, 2982147), (147, 1278063), (189, 994049), (441, 426021), (1323, 142007)]