27220641

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 43469568

約数和(自身を除く): 16248927

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 661, 777, 1113, 1961, 1983, 4627, 5883, 13727, 13881, 24457, 35033, 41181, 73371, 105099, 171199, 245231, 513597, 735693, 1296221, 3888663, 9073547, 27220641]

約数ペア:

[(1, 27220641), (3, 9073547), (7, 3888663), (21, 1296221), (37, 735693), (53, 513597), (111, 245231), (159, 171199), (259, 105099), (371, 73371), (661, 41181), (777, 35033), (1113, 24457), (1961, 13881), (1983, 13727), (4627, 5883)]