89391561

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 144399360

約数和(自身を除く): 55007799

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 1427, 2983, 3297, 4281, 8949, 9989, 20881, 27113, 29967, 62643, 81339, 189791, 224039, 569373, 672117, 1568273, 4256741, 4704819, 12770223, 29797187, 89391561]

約数ペア:

[(1, 89391561), (3, 29797187), (7, 12770223), (19, 4704819), (21, 4256741), (57, 1568273), (133, 672117), (157, 569373), (399, 224039), (471, 189791), (1099, 81339), (1427, 62643), (2983, 29967), (3297, 27113), (4281, 20881), (8949, 9989)]