3873891

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 6428232

約数和(自身を除く): 2554341

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 361, 399, 511, 931, 1083, 1387, 1533, 2527, 2793, 3577, 4161, 7581, 9709, 10731, 17689, 26353, 29127, 53067, 67963, 79059, 184471, 203889, 553413, 1291297, 3873891]

約数ペア:

[(1, 3873891), (3, 1291297), (7, 553413), (19, 203889), (21, 184471), (49, 79059), (57, 67963), (73, 53067), (133, 29127), (147, 26353), (219, 17689), (361, 10731), (399, 9709), (511, 7581), (931, 4161), (1083, 3577), (1387, 2793), (1533, 2527)]