28964007

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 44748800

約数和(自身を除く): 15784793

約数列:

[1, 3, 9, 27, 37, 79, 111, 237, 333, 367, 711, 999, 1101, 2133, 2923, 3303, 8769, 9909, 13579, 26307, 28993, 40737, 78921, 86979, 122211, 260937, 366633, 782811, 1072741, 3218223, 9654669, 28964007]

約数ペア:

[(1, 28964007), (3, 9654669), (9, 3218223), (27, 1072741), (37, 782811), (79, 366633), (111, 260937), (237, 122211), (333, 86979), (367, 78921), (711, 40737), (999, 28993), (1101, 26307), (2133, 13579), (2923, 9909), (3303, 8769)]