28524447

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4079}}^1$

素因数の和:4132

約数の個数: 32

約数和(自身を含む): 49612800

約数和(自身を除く): 21088353

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 4079, 6993, 12237, 28553, 36711, 85659, 110133, 150923, 256977, 452769, 770931, 1056461, 1358307, 3169383, 4074921, 9508149, 28524447]

約数ペア:

[(1, 28524447), (3, 9508149), (7, 4074921), (9, 3169383), (21, 1358307), (27, 1056461), (37, 770931), (63, 452769), (111, 256977), (189, 150923), (259, 110133), (333, 85659), (777, 36711), (999, 28553), (2331, 12237), (4079, 6993)]