130727247

素因数分解:

$3^1\times 7^4\times {\mathrm{18149}}^1$

素因数の和:18180

約数の個数: 20

約数和(自身を含む): 203352600

約数和(自身を除く): 72625353

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 18149, 54447, 127043, 381129, 889301, 2667903, 6225107, 18675321, 43575749, 130727247]

約数ペア:

[(1, 130727247), (3, 43575749), (7, 18675321), (21, 6225107), (49, 2667903), (147, 889301), (343, 381129), (1029, 127043), (2401, 54447), (7203, 18149)]