3221421

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 4950528

約数和(自身を除く): 1729107

約数列:

[1, 3, 7, 21, 131, 393, 917, 1171, 2751, 3513, 8197, 24591, 153401, 460203, 1073807, 3221421]

約数ペア:

[(1, 3221421), (3, 1073807), (7, 460203), (21, 153401), (131, 24591), (393, 8197), (917, 3513), (1171, 2751)]