87948189

素因数分解:

$3^2\times 7^2\times {\mathrm{199429}}^1$

素因数の和:199449

約数の個数: 18

約数和(自身を含む): 147777630

約数和(自身を除く): 59829441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 199429, 598287, 1396003, 1794861, 4188009, 9772021, 12564027, 29316063, 87948189]

約数ペア:

[(1, 87948189), (3, 29316063), (7, 12564027), (9, 9772021), (21, 4188009), (49, 1794861), (63, 1396003), (147, 598287), (441, 199429)]