2154921

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 2976768

約数和(自身を除く): 821847

約数列:

[1, 3, 67, 71, 151, 201, 213, 453, 4757, 10117, 10721, 14271, 30351, 32163, 718307, 2154921]

約数ペア:

[(1, 2154921), (3, 718307), (67, 32163), (71, 30351), (151, 14271), (201, 10721), (213, 10117), (453, 4757)]