213537331

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{9743}}^1$

素因数の和:9882

約数の個数: 16

約数和(自身を含む): 254435328

約数和(自身を除く): 40897997

約数列:

[1, 7, 31, 101, 217, 707, 3131, 9743, 21917, 68201, 302033, 984043, 2114231, 6888301, 30505333, 213537331]

約数ペア:

[(1, 213537331), (7, 30505333), (31, 6888301), (101, 2114231), (217, 984043), (707, 302033), (3131, 68201), (9743, 21917)]