28983975

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5443}}^1$

素因数の和:5527

約数の個数: 24

約数和(自身を含む): 48604032

約数和(自身を除く): 19620057

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5443, 16329, 27215, 81645, 136075, 386453, 408225, 1159359, 1932265, 5796795, 9661325, 28983975]

約数ペア:

[(1, 28983975), (3, 9661325), (5, 5796795), (15, 1932265), (25, 1159359), (71, 408225), (75, 386453), (213, 136075), (355, 81645), (1065, 27215), (1775, 16329), (5325, 5443)]