28790925

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7243}}^1$

素因数の和:7309

約数の個数: 24

約数和(自身を含む): 48505824

約数和(自身を除く): 19714899

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 7243, 21729, 36215, 108645, 181075, 383879, 543225, 1151637, 1919395, 5758185, 9596975, 28790925]

約数ペア:

[(1, 28790925), (3, 9596975), (5, 5758185), (15, 1919395), (25, 1151637), (53, 543225), (75, 383879), (159, 181075), (265, 108645), (795, 36215), (1325, 21729), (3975, 7243)]