128072979

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{4519}}^1$

素因数の和:4639

約数の個数: 24

約数和(自身を含む): 191792640

約数和(自身を除く): 63719661

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 3149, 4519, 9447, 13557, 28341, 40671, 212393, 302773, 637179, 908319, 1911537, 2724957, 14230331, 42690993, 128072979]

約数ペア:

[(1, 128072979), (3, 42690993), (9, 14230331), (47, 2724957), (67, 1911537), (141, 908319), (201, 637179), (423, 302773), (603, 212393), (3149, 40671), (4519, 28341), (9447, 13557)]