31220193

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 45371392

約数和(自身を除く): 14151199

約数列:

[1, 3, 31, 37, 43, 93, 111, 129, 211, 633, 1147, 1333, 1591, 3441, 3999, 4773, 6541, 7807, 9073, 19623, 23421, 27219, 49321, 147963, 242017, 281263, 335701, 726051, 843789, 1007103, 10406731, 31220193]

約数ペア:

[(1, 31220193), (3, 10406731), (31, 1007103), (37, 843789), (43, 726051), (93, 335701), (111, 281263), (129, 242017), (211, 147963), (633, 49321), (1147, 27219), (1333, 23421), (1591, 19623), (3441, 9073), (3999, 7807), (4773, 6541)]