311919291

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 477629152

約数和(自身を除く): 165709861

約数列:

[1, 3, 9, 43, 61, 73, 129, 181, 183, 219, 387, 543, 549, 657, 1629, 2623, 3139, 4453, 7783, 7869, 9417, 11041, 13213, 13359, 23349, 23607, 28251, 33123, 39639, 40077, 70047, 99369, 118917, 191479, 474763, 568159, 574437, 805993, 1424289, 1704477, 1723311, 2417979, 4272867, 5113431, 7253937, 34657699, 103973097, 311919291]

約数ペア:

[(1, 311919291), (3, 103973097), (9, 34657699), (43, 7253937), (61, 5113431), (73, 4272867), (129, 2417979), (181, 1723311), (183, 1704477), (219, 1424289), (387, 805993), (543, 574437), (549, 568159), (657, 474763), (1629, 191479), (2623, 118917), (3139, 99369), (4453, 70047), (7783, 40077), (7869, 39639), (9417, 33123), (11041, 28251), (13213, 23607), (13359, 23349)]