31219521

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1223}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 42614784

約数和(自身を除く): 11395263

約数列:

[1, 3, 67, 127, 201, 381, 1223, 3669, 8509, 25527, 81941, 155321, 245823, 465963, 10406507, 31219521]

約数ペア:

[(1, 31219521), (3, 10406507), (67, 465963), (127, 245823), (201, 155321), (381, 81941), (1223, 25527), (3669, 8509)]