28609215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 48854016

約数和(自身を除く): 20244801

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 255, 453, 743, 755, 2229, 2265, 2567, 3715, 7701, 11145, 12631, 12835, 37893, 38505, 63155, 112193, 189465, 336579, 560965, 1682895, 1907281, 5721843, 9536405, 28609215]

約数ペア:

[(1, 28609215), (3, 9536405), (5, 5721843), (15, 1907281), (17, 1682895), (51, 560965), (85, 336579), (151, 189465), (255, 112193), (453, 63155), (743, 38505), (755, 37893), (2229, 12835), (2265, 12631), (2567, 11145), (3715, 7701)]