401401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 540288

約数和(自身を除く): 138887

約数列:

[1, 7, 11, 13, 77, 91, 143, 401, 1001, 2807, 4411, 5213, 30877, 36491, 57343, 401401]

約数ペア:

[(1, 401401), (7, 57343), (11, 36491), (13, 30877), (77, 5213), (91, 4411), (143, 2807), (401, 1001)]