215515861

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 250967808

約数和(自身を除く): 35451947

約数列:

[1, 11, 37, 53, 97, 103, 407, 583, 1067, 1133, 1961, 3589, 3811, 5141, 5459, 9991, 21571, 39479, 41921, 56551, 60049, 109901, 190217, 201983, 369667, 529523, 2092387, 2221813, 4066337, 5824753, 19592351, 215515861]

約数ペア:

[(1, 215515861), (11, 19592351), (37, 5824753), (53, 4066337), (97, 2221813), (103, 2092387), (407, 529523), (583, 369667), (1067, 201983), (1133, 190217), (1961, 109901), (3589, 60049), (3811, 56551), (5141, 41921), (5459, 39479), (9991, 21571)]