161198877

素因数分解:

$3^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{2819}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 250754400

約数和(自身を除く): 89555523

約数列:

[1, 3, 7, 21, 49, 147, 389, 1167, 2723, 2819, 8169, 8457, 19061, 19733, 57183, 59199, 138131, 414393, 1096591, 3289773, 7676137, 23028411, 53732959, 161198877]

約数ペア:

[(1, 161198877), (3, 53732959), (7, 23028411), (21, 7676137), (49, 3289773), (147, 1096591), (389, 414393), (1167, 138131), (2723, 59199), (2819, 57183), (8169, 19733), (8457, 19061)]