25957743

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 16343697

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 971, 1273, 1407, 2913, 3819, 6797, 8911, 18449, 20391, 26733, 55347, 65057, 129143, 195171, 387429, 455399, 1236083, 1366197, 3708249, 8652581, 25957743]

約数ペア:

[(1, 25957743), (3, 8652581), (7, 3708249), (19, 1366197), (21, 1236083), (57, 455399), (67, 387429), (133, 195171), (201, 129143), (399, 65057), (469, 55347), (971, 26733), (1273, 20391), (1407, 18449), (2913, 8911), (3819, 6797)]