128310021

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35731}}^1$

素因数の和:35766

約数の個数: 32

約数和(自身を含む): 228684800

約数和(自身を除く): 100374779

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 35731, 107193, 250117, 321579, 678889, 750351, 964737, 2036667, 2251053, 4752223, 6110001, 6753159, 14256669, 18330003, 42770007, 128310021]

約数ペア:

[(1, 128310021), (3, 42770007), (7, 18330003), (9, 14256669), (19, 6753159), (21, 6110001), (27, 4752223), (57, 2251053), (63, 2036667), (133, 964737), (171, 750351), (189, 678889), (399, 321579), (513, 250117), (1197, 107193), (3591, 35731)]