3971961

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 6661824

約数和(自身を除く): 2689863

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 941, 1407, 2823, 4221, 6587, 8469, 19761, 59283, 63047, 189141, 441329, 567423, 1323987, 3971961]

約数ペア:

[(1, 3971961), (3, 1323987), (7, 567423), (9, 441329), (21, 189141), (63, 63047), (67, 59283), (201, 19761), (469, 8469), (603, 6587), (941, 4221), (1407, 2823)]