28726089

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9059}}^1$

素因数の和:9220

約数の個数: 16

約数和(自身を含む): 44067840

約数和(自身を除く): 15341751

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 9059, 27177, 63413, 190239, 1367909, 4103727, 9575363, 28726089]

約数ペア:

[(1, 28726089), (3, 9575363), (7, 4103727), (21, 1367909), (151, 190239), (453, 63413), (1057, 27177), (3171, 9059)]