38991861

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 60984000

約数和(自身を除く): 21992139

約数列:

[1, 3, 9, 27, 41, 59, 81, 123, 177, 199, 369, 531, 597, 1107, 1593, 1791, 2419, 3321, 4779, 5373, 7257, 8159, 11741, 16119, 21771, 24477, 35223, 65313, 73431, 105669, 195939, 220293, 317007, 481381, 660879, 951021, 1444143, 4332429, 12997287, 38991861]

約数ペア:

[(1, 38991861), (3, 12997287), (9, 4332429), (27, 1444143), (41, 951021), (59, 660879), (81, 481381), (123, 317007), (177, 220293), (199, 195939), (369, 105669), (531, 73431), (597, 65313), (1107, 35223), (1593, 24477), (1791, 21771), (2419, 16119), (3321, 11741), (4779, 8159), (5373, 7257)]