211679997

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 301645824

約数和(自身を除く): 89965827

約数列:

[1, 3, 31, 37, 93, 111, 227, 271, 681, 813, 1147, 3441, 7037, 8399, 8401, 10027, 21111, 25197, 25203, 30081, 61517, 184551, 260369, 310837, 781107, 932511, 1907027, 2276129, 5721081, 6828387, 70559999, 211679997]

約数ペア:

[(1, 211679997), (3, 70559999), (31, 6828387), (37, 5721081), (93, 2276129), (111, 1907027), (227, 932511), (271, 781107), (681, 310837), (813, 260369), (1147, 184551), (3441, 61517), (7037, 30081), (8399, 25203), (8401, 25197), (10027, 21111)]