31395805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 46024704

約数和(自身を除く): 14628899

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 805, 907, 989, 1505, 4535, 4945, 6349, 6923, 20861, 31745, 34615, 39001, 104305, 146027, 195005, 273007, 730135, 897023, 1365035, 4485115, 6279161, 31395805]

約数ペア:

[(1, 31395805), (5, 6279161), (7, 4485115), (23, 1365035), (35, 897023), (43, 730135), (115, 273007), (161, 195005), (215, 146027), (301, 104305), (805, 39001), (907, 34615), (989, 31745), (1505, 20861), (4535, 6923), (4945, 6349)]