28901019

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9901}}^1$

素因数の和:10050

約数の個数: 16

約数和(自身を含む): 44360960

約数和(自身を除く): 15459941

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9901, 29703, 69307, 207921, 1376239, 4128717, 9633673, 28901019]

約数ペア:

[(1, 28901019), (3, 9633673), (7, 4128717), (21, 1376239), (139, 207921), (417, 69307), (973, 29703), (2919, 9901)]