28273077

素因数分解:

$3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 19880523

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 227, 659, 681, 1589, 1977, 2043, 4613, 4767, 5931, 6129, 13839, 14301, 17793, 41517, 42903, 124551, 149593, 448779, 1047151, 1346337, 3141453, 4039011, 9424359, 28273077]

約数ペア:

[(1, 28273077), (3, 9424359), (7, 4039011), (9, 3141453), (21, 1346337), (27, 1047151), (63, 448779), (189, 149593), (227, 124551), (659, 42903), (681, 41517), (1589, 17793), (1977, 14301), (2043, 13839), (4613, 6129), (4767, 5931)]