31239537

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 50233344

約数和(自身を除く): 18993807

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1021, 1457, 3063, 4371, 7147, 10199, 21441, 30597, 31651, 47987, 94953, 143961, 221557, 335909, 664671, 1007727, 1487597, 4462791, 10413179, 31239537]

約数ペア:

[(1, 31239537), (3, 10413179), (7, 4462791), (21, 1487597), (31, 1007727), (47, 664671), (93, 335909), (141, 221557), (217, 143961), (329, 94953), (651, 47987), (987, 31651), (1021, 30597), (1457, 21441), (3063, 10199), (4371, 7147)]