27711999

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 47923200

約数和(自身を除く): 20211201

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 191, 329, 343, 423, 441, 573, 987, 1029, 1337, 1719, 2303, 2961, 3087, 4011, 6909, 8977, 9359, 12033, 16121, 20727, 26931, 28077, 48363, 62839, 65513, 80793, 84231, 145089, 188517, 196539, 439873, 565551, 589617, 1319619, 3079111, 3958857, 9237333, 27711999]

約数ペア:

[(1, 27711999), (3, 9237333), (7, 3958857), (9, 3079111), (21, 1319619), (47, 589617), (49, 565551), (63, 439873), (141, 196539), (147, 188517), (191, 145089), (329, 84231), (343, 80793), (423, 65513), (441, 62839), (573, 48363), (987, 28077), (1029, 26931), (1337, 20727), (1719, 16121), (2303, 12033), (2961, 9359), (3087, 8977), (4011, 6909)]