28590021

素因数分解:

$3^2\times {\mathrm{79}}^2\times {\mathrm{509}}^1$

素因数の和:673

約数の個数: 18

約数和(自身を含む): 41908230

約数和(自身を除く): 13318209

約数列:

[1, 3, 9, 79, 237, 509, 711, 1527, 4581, 6241, 18723, 40211, 56169, 120633, 361899, 3176669, 9530007, 28590021]

約数ペア:

[(1, 28590021), (3, 9530007), (9, 3176669), (79, 361899), (237, 120633), (509, 56169), (711, 40211), (1527, 18723), (4581, 6241)]