201781239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 306650880

約数和(自身を除く): 104869641

約数列:

[1, 3, 11, 33, 37, 59, 111, 177, 407, 649, 1221, 1947, 2183, 2801, 6549, 8403, 24013, 30811, 72039, 92433, 103637, 165259, 310911, 495777, 1140007, 1817849, 3420021, 5453547, 6114583, 18343749, 67260413, 201781239]

約数ペア:

[(1, 201781239), (3, 67260413), (11, 18343749), (33, 6114583), (37, 5453547), (59, 3420021), (111, 1817849), (177, 1140007), (407, 495777), (649, 310911), (1221, 165259), (1947, 103637), (2183, 92433), (2801, 72039), (6549, 30811), (8403, 24013)]