26790285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 21778035

約数列:

[1, 3, 5, 15, 19, 23, 57, 61, 67, 69, 95, 115, 183, 201, 285, 305, 335, 345, 437, 915, 1005, 1159, 1273, 1311, 1403, 1541, 2185, 3477, 3819, 4087, 4209, 4623, 5795, 6365, 6555, 7015, 7705, 12261, 17385, 19095, 20435, 21045, 23115, 26657, 29279, 61305, 77653, 79971, 87837, 94001, 133285, 146395, 232959, 282003, 388265, 399855, 439185, 470005, 1164795, 1410015, 1786019, 5358057, 8930095, 26790285]

約数ペア:

[(1, 26790285), (3, 8930095), (5, 5358057), (15, 1786019), (19, 1410015), (23, 1164795), (57, 470005), (61, 439185), (67, 399855), (69, 388265), (95, 282003), (115, 232959), (183, 146395), (201, 133285), (285, 94001), (305, 87837), (335, 79971), (345, 77653), (437, 61305), (915, 29279), (1005, 26657), (1159, 23115), (1273, 21045), (1311, 20435), (1403, 19095), (1541, 17385), (2185, 12261), (3477, 7705), (3819, 7015), (4087, 6555), (4209, 6365), (4623, 5795)]