31480869

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10061}}^1$

素因数の和:10220

約数の個数: 16

約数和(自身を含む): 48297600

約数和(自身を除く): 16816731

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 10061, 30183, 70427, 211281, 1499089, 4497267, 10493623, 31480869]

約数ペア:

[(1, 31480869), (3, 10493623), (7, 4497267), (21, 1499089), (149, 211281), (447, 70427), (1043, 30183), (3129, 10061)]