28967421

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7621}}^1$

素因数の和:7812

約数の個数: 16

約数和(自身を含む): 44390528

約数和(自身を除く): 15423107

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 7621, 22863, 53347, 160041, 1379401, 4138203, 9655807, 28967421]

約数ペア:

[(1, 28967421), (3, 9655807), (7, 4138203), (21, 1379401), (181, 160041), (543, 53347), (1267, 22863), (3801, 7621)]